# Opinion polling for the 2021 Chilean presidential election

After the previous 2017 Chilean general election in November and December, different polling companies published surveys that tracked voting intention for the 2021 Chilean general election, especially the presidential election. Outgoing president Sebastián Piñera was not eligible for reelection.
Official primaries were held on 18 July where two coalitions, left-wing Apruebo Dignidad and right-wing Chile Vamos, chose their respective presidential candidates Gabriel Boric and Sebastián Sichel. Centre-left coalition New Social Pact held their own primary on 21 August 2021 where they selected Yasna Provoste as their official candidate. Other candidates were José Antonio Kast of the Christian Social Front coalition, Franco Parisi of the Party of the People, Marco Enríquez-Ominami of the Progressive Party, and Eduardo Artés of the Patriotic Union.
The first round of the election took place on 21 November 2021. Since no candidate alone received more than 50% of the votes, a runoff took place on 19 December 2021 between Gabriel Boric and José Antonio Kast. Boric won the runoff with 55.87% of the vote and will assume office on 11 March 2022.

## First round
### After official registration of candidates

    Results considering only official candidates (excluding "Other", "Don't know", "Do not vote", etc.) and general voters, excluding polls showing likely voters or non-national samples.
| Fieldwork dates | Polling firm | Type of poll | | | | | | | | Others/ None |
| Fieldwork dates | Polling firm | Type of poll | Artés UPa | Boric AD | M. E-O PRO | Provoste NPS | Parisi PDG | Sichel ChP+ | Kast FSC | Others/ None |
| 20 Nov 2021 | Cadem | Base 100. Online panel. | 2 | 27 | 5 | 11 | 13 | 14 | 29 | — |
| 16–19 Nov 2021 | Cadem | Base 100 | 1 | 27 | 9 | 11 | 12 | 13 | 27 | — |
| 5–6 Nov 2021 | AtlasIntel | | 2.8 | 21.9 | 6.2 | 9.2 | 11.4 | 11.7 | 27.2 | 9.7 |
| 2–5 Nov 2021 | Activa | | 1.9 | 17.7 | 3.9 | 10.9 | 7.3 | 8.2 | 21.7 | 28.4 |
| 2–5 Nov 2021 | Activa | Likely voter (51.6%) | 1.9 | 23.7 | 4.5 | 13.5 | 9.9 | 11.3 | 27.3 | 7.9 |
| 2–4 Nov 2021 | Cadem | | 2 | 19 | 5 | 9 | 10 | 8 | 25 | 22 |
| 2–3 Nov 2021 | UDD | | 2 | 22 | 5 | 10 | 10 | 9 | 25 | 17 |
| 1–2 Nov 2021 | AtlasIntel | | 2.5 | 21.4 | 4.2 | 12.2 | 10.1 | 9.2 | 31.0 | 9.4 |
| 29 Oct–2 Nov 2021 | Criteria | | 2 | 24 | 6 | 9 | 8 | 8 | 23 | 19 |
| 29 Oct–2 Nov 2021 | Criteria | Likely voter (51%) | 2 | 34 | 4 | 12 | 8 | 8 | 28 | 4 |
| 29 Oct–2 Nov 2021 | Criteria | Likely voter (41%) | 2 | 35 | 4 | 11 | 10 | 6 | 29 | 3 |
| 29 Oct–2 Nov 2021 | Feedback | Likely voter (48%) | 1 | 30 | 2 | 9 | 4 | 11 | 36 | 7 |
| 26–31 Oct 2021 | Studio Público | | 1.9 | 27.6 | 4.7 | 11.4 | 5.9 | 10.5 | 37.9 | — |
| 29 Oct 2021 | Tú Influyes | | 2 | 32 | 4 | 13 | 8 | 9 | 27 | 5 |
| 27–29 Oct 2021 | Cadem | | 1 | 19 | 4 | 11 | 7 | 8 | 24 | 26 |
| 25–29 Oct 2021 | Activa | Likely voter (50.8%) | 2.6 | 25 | 5.1 | 12.1 | 10.6 | 9.1 | 26.5 | 9 |
| 25–29 Oct 2021 | Activa | | 1.6 | 17.4 | 4.8 | 9.5 | 7.3 | 6.9 | 22.2 | 30.3 |
| 20–26 Oct 2021 | La Cosa Nostra | | 2 | 36 | 4 | 14 | 5 | 11 | 30 | — |
| 20–22 Oct 2021 | Cadem | | 1 | 20 | 5 | 12 | 6 | 7 | 23 | 26 |
| 18–22 Oct 2021 | Criteria | Likely voter | 2.0 | 30.8 | 3.5 | 10.9 | 7.7 | 8.1 | 27.7 | 9.3 |
| 12–15 Oct 2021 | Activa | Likely voter (50.9%) | 2.4 | 31.3 | 3.7 | 16.5 | 6.9 | 8.9 | 20.2 | 10.1 |
| 12–15 Oct 2021 | Activa | | 1.6 | 21.3 | 3.4 | 13.1 | 5.0 | 7.5 | 16.3 | 31.8 |
| 13–14 Oct 2021 | Cadem | | 3 | 20 | 4 | 12 | 6 | 7 | 21 | 27 |
| 6–8 Oct 2021 | Cadem | | 1 | 21 | 4 | 13 | 6 | 10 | 18 | 27 |
| 5–7 Oct 2021 | UDD | | 2 | 24 | 4 | 10 | 6 | 14 | 19 | 21 |
| 1–5 Oct 2021 | Criteria | Open-ended | 1 | 26 | 3 | 11 | 5 | 15 | 17 | 20 |
| 1–4 Oct 2021 | Tú Influyes | | 3.1 | 25.7 | 3.7 | 11.5 | 4.9 | 12.1 | 16.1 | 22.9 |
| 29 Sept–1 Oct 2021 | Cadem | | 1 | 22 | 5 | 12 | 5 | 12 | 15 | 28 |
| 27 Sept–1 Oct 2021 | Activa | Likely voter (48.4%) | 1.8 | 29.7 | 3.1 | 11.2 | 7.6 | 15.3 | 17.2 | 14.1 |
| 27 Sept–1 Oct 2021 | Activa | | 1.4 | 19.8 | 2.7 | 8.6 | 5.7 | 12.5 | 14.0 | 35.3 |
| 23–24 Sept 2021 | Cadem | | 2 | 23 | 4 | 10 | 5 | 17 | 13 | 26 |
| 20–21 Sept 2021 | Black & White | | 1 | 29 | — | 14 | 7 | 24 | 16 | 9 |
| 15–16 Sept 2021 | Feedback | Likely voter (56%) | 2 | 34 | 1 | 7 | 4 | 27 | 16 | 9 |
| 15–16 Sept 2021 | Feedback | | 2 | 27 | 2 | 9 | 7 | 23 | 19 | 11 |
| 14–16 Sept 2021 | Cadem | | 1 | 25 | 5 | 9 | 6 | 17 | 10 | 27 |
| 6–14 Sept 2021 | La Cosa Nostra | | 3 | 36 | 3 | 15 | 5 | 27 | 12 | — |
| 7–13 Sept 2021 | Activa | Likely voter (54.3%) | 2.5 | 28.0 | — | 11.9 | 10.9 | 17.5 | 14.0 | 15.2 |
| 7–13 Sept 2021 | Activa | | 1.7 | 19.9 | — | 9.9 | 7.0 | 11.8 | 8.7 | 41.0 |
| 8–10 Sept 2021 | Cadem | | 0 | 22 | 3 | 10 | 8 | 19 | 9 | 29 |
| 3–6 Sept 2021 | Tú Influyes | | 1.5 | 26.5 | 2.6 | 11.3 | 5.5 | 17.8 | 10.9 | 24.0 |
| 1–3 Sept 2021 | Cadem | | 0 | 23 | 2 | 12 | 7 | 19 | 12 | 25 |
| 27–31 Aug 2021 | Criteria | Open-ended | 1 | 25 | 1 | 12 | 6 | 19 | 8 | 28 |
| 26–27 Aug 2021 | Cadem | | 1 | 20 | 3 | 13 | 7 | 20 | 10 | 26 |
| 24–27 Aug 2021 | Activa | Likely voter (51.9%) | 1.2 | 23.4 | 3.6 | 12.3 | 8.8 | 14.0 | 8.9 | 27.9 |
| 24–27 Aug 2021 | Activa | | 0.7 | 16.4 | 3.6 | 11.3 | 6.1 | 11.5 | 6.3 | 44.1 |
| 24–25 Aug 2021 | Black & White | | 1 | 22 | 3 | 12 | 8 | 26 | 15 | 13 |
| 24–25 Aug 2021 | UDD | | 1.4 | 21.8 | 4.1 | 12.9 | 7.7 | 20.0 | 10.7 | 21.4 |

#### Regional polls

| Fieldwork dates | Polling firm | Region | | | | | | | | Others/ None |
| Fieldwork dates | Polling firm | Region | Artés UPa | Boric AD | M. E-O PRO | Provoste NPS | Parisi PDG | Sichel ChP+ | Kast FSC | Others/ None |
| 1 Oct-4 Nov 2021 | IPP UCN | Antofagasta | 0 | 11 | 5 | 12 | 10 | 1 | 9 | 52 |
| 24-28 Oct 2021 | Go People | Santiago | 1.7 | 19.1 | 8.8 | 8.6 | 3.6 | 7.2 | 17.3 | 33.8 |
| 23-24 Sept 2021 | UDD | Santiago | 3 | 26 | 4 | 9 | 4 | 16 | 12 | 26 |

### Before official registration of candidates

    Graph includes results considering main candidates in polls of general voters (excluding regional polls or with only likely voters). "Other", "Don't know", "Do not vote" or similar options are not included. Average of polls every 14 days.
For this table, the candidates shown are those that have at least one poll with more than 5% of the votes or have been chosen as representative of an official party as their presidential candidate for primaries or the first round.
| Date | Polling firm | Type of poll | N/A | Ap. Dignidad | Ap. Dignidad | Ap. Dignidad | Constituent Unity | Constituent Unity | Constituent Unity | Constituent Unity | Constituent Unity | Constituent Unity | Constituent Unity | Constituent Unity | Constituent Unity | Chile Vamos | Chile Vamos | Chile Vamos | Chile Vamos | Chile Vamos | Chile Vamos | Chile Vamos | Non-affiliated | Non-affiliated | Non-affiliated | Non-affiliated | Others/None |
| Date | Polling firm | Type of poll | Jiles (PH) | Jadue (PC) | Boric (CS) | Sánchez (Ind.-FA) | Enríquez-Om. (PRO) | Guillier (Ind.-UC) | Bachelet (PS) | Narváez (PS) | Muñoz (PPD) | Vidal (PPD) | Maldonado (PR) | Provoste (PDC) | Rincón (PDC) | Sichel (Ind.-ChV) | F. Kast (Evópoli) | Briones (Evópoli) | Desbordes (RN) | Piñera (Ind.-ChV) | Lavín (UDI) | Matthei (UDI) | J.A. Kast (PLR) | Parisi (PDG) | Farkas (Ind.) | Siches (Ind.) |
| Yasna Provoste wins the Constituent Unity unofficial primaries, defeating Paula Narváez and Carlos Maldonado ||||||||||||||||||||||||||||
| 13 Aug 2021 | Cadem | | — | — | 24.0 | — | — | — | — | 2.0 | — | — | 1.0 | 9.0 | — | 22.0 | — | — | — | — | — | — | 9.0 | — | — | — | 33.0 |
| 13 Aug 2021 | Activa | Likely voter | — | — | 16.1 | — | — | — | — | 2.0 | — | — | 0.6 | 9.0 | — | 25.6 | — | — | — | — | — | — | 11.3 | 7.1 | — | — | 28.3 |
| 13 Aug 2021 | Activa | | — | — | 14.7 | — | — | — | — | 1.8 | — | — | 0.3 | 7.1 | — | 20.4 | — | — | — | — | — | — | 10.2 | 4.6 | — | — | 40.9 |
| 6 Aug 2021 | Cadem | | — | — | 21.0 | — | — | — | — | 2.0 | — | — | 1.0 | 10.0 | — | 24.0 | — | — | — | — | — | — | 10.0 | — | — | — | 32.0 |
| 3 Aug 2021 | Criteria | | — | 3.0 | 25.0 | — | — | — | — | — | — | — | — | 11.0 | — | 25.0 | — | — | — | — | 2.0 | — | 7.0 | 3.0 | — | — | 24.0 |
| 2 Aug 2021 | Data Influye | | — | — | 29.5 | — | — | 3.7 | — | 4.6 | — | — | 2.4 | 13.7 | — | 19.9 | — | — | — | — | — | — | 8.9 | — | — | — | 17.3 |
| 31 Jul 2021 | Activa | Likely voter | — | — | 28.3 | — | 0.9 | — | — | 1.1 | — | — | 1.3 | 15.8 | — | 19.6 | — | — | — | — | — | — | 6.8 | 6.9 | — | — | 19.3 |
| 31 Jul 2021 | Activa | | — | — | 22.9 | — | 1.0 | — | — | 0.8 | — | — | 0.7 | 12.1 | — | 18.0 | — | — | — | — | — | — | 6.8 | 5.1 | — | — | 32.6 |
| 30 Jul 2021 | Feedback | | — | — | 23.0 | — | 1.0 | — | — | 1.0 | — | — | — | 5.0 | — | 22.0 | — | — | — | — | — | — | 10.0 | — | — | — | 38.0 |
| 30 Jul 2021 | Cadem | | — | — | 24.0 | — | — | — | — | 3.0 | — | — | 1.0 | 13.0 | — | 24.0 | — | — | — | — | — | — | 7.0 | — | — | — | 28.0 |
| 23 Jul 2021 | Cadem | | — | — | 30.0 | — | — | — | — | 3.0 | — | — | 1.0 | 12.0 | — | 25.0 | — | — | — | — | — | — | 8.0 | — | — | — | 21.0 |
| Constituent Unity announces they will hold unofficial primaries ||||||||||||||||||||||||||||
| Yasna Provoste announces her candidacy representing the Christian Democrat Party ||||||||||||||||||||||||||||
| Gabriel Boric and Sebastián Sichel win the primaries for Apruebo Dignidad and Chile Vamos respectively. ||||||||||||||||||||||||||||
| 15 Jul 2021 | Cadem | | 8.0 | 11.0 | 12.0 | — | — | — | — | 2.0 | — | — | 1.0 | 9.0 | — | 15.0 | — | 3.0 | 4.0 | — | 11.0 | — | 6.0 | 5.0 | — | — | 13.0 |
| 9 Jul 2021 | Cadem | | 7.0 | 15.0 | 7.0 | — | — | — | — | 2.0 | — | — | 1.0 | 10.0 | — | 10.0 | — | 4.0 | 4.0 | — | 9.0 | — | 7.0 | 4.0 | — | — | 20.0 |
| 1 Jul 2021 | Cadem | | 9.0 | 13.0 | 5.0 | — | — | — | — | 1.0 | — | — | 1.0 | 12.0 | — | 7.0 | — | 3.0 | 4.0 | — | 10.0 | — | 6.0 | 7.0 | — | — | 22.0 |
| 29 Jun 2021 | Criteria | | 3.0 | 18.0 | 6.0 | — | — | — | — | 2.0 | — | — | — | 9.0 | — | 10.0 | — | 2.0 | 2.0 | — | 13.0 | 2.0 | 6.0 | 4.0 | — | — | 23.0 |
| 29 Jun 2021 | Activa | Likely voter | 2.9 | 18.5 | 6.8 | — | — | — | 0.1 | — | — | — | — | 10.9 | — | 11.9 | — | 1.7 | 1.4 | — | 15.0 | 1.2 | 2.8 | 4.3 | — | — | 22.5 |
| 29 Jun 2021 | Activa | | 5.9 | 12.6 | 4.5 | — | — | — | 1.6 | — | — | — | — | 7.6 | — | 8.4 | — | 0.9 | 1.5 | — | 16.5 | 1.6 | 2.1 | 5.2 | — | — | 31.6 |
| 28 Jun 2021 | Data Influye | | 2.4 | 19.8 | 10.3 | — | — | — | — | 1.8 | — | — | — | 10.8 | — | 10.3 | — | 1.8 | 3.3 | — | 13.9 | — | 4.5 | 1.7 | — | 1.0 | 18.4 |
| 24 Jun 2021 | Cadem | | 6.0 | 14.0 | 6.0 | — | — | — | — | 1.0 | — | — | 1.0 | 9.0 | 2.0 | 9.0 | — | 2.0 | 2.0 | — | 13.0 | — | 6.0 | 4.0 | — | — | 25.0 |
| 17 Jun 2021 | Cadem | | 8.0 | 13.0 | 6.0 | — | — | — | — | 3.0 | — | — | 1.0 | 13.0 | 2.0 | 5.0 | — | 1.0 | 2.0 | — | 13.0 | — | 5.0 | 5.0 | — | — | 23.0 |
| 11 Jun 2021 | Cadem | | 7.0 | 13.0 | 3.0 | — | — | — | — | 2.0 | — | — | 1.0 | 14.0 | 2.0 | 6.0 | — | 2.0 | 2.0 | — | 14.0 | — | 7.0 | 6.0 | — | — | 21.0 |
| 11 Jun 2021 | Activa | Likely voter | 4.3 | 21.5 | 2.3 | — | 2.3 | — | 0.7 | — | — | — | — | 8.2 | — | 5.7 | — | — | 2.6 | — | 11.1 | 5.0 | 3.6 | 5.6 | — | — | 27.1 |
| 11 Jun 2021 | Activa | | 5.0 | 16.0 | 1.4 | — | 1.5 | — | 1.9 | — | — | — | — | 6.2 | — | 4.3 | — | — | 1.8 | — | 16.0 | 3.6 | 2.7 | 4.0 | — | — | 35.6 |
| 3 Jun 2021 | Cadem | | 8.0 | 14.0 | 5.0 | — | — | — | — | 2.0 | — | — | — | 13.0 | 2.0 | 8.0 | — | 2.0 | 2.0 | — | 14.0 | — | 7.0 | 6.0 | — | — | 17.0 |
| 1 Jun 2021 | Criteria | | 4.0 | 16.0 | 4.0 | — | — | — | — | 2.0 | — | — | — | 9.0 | — | 8.0 | — | 1.0 | 2.0 | — | 14.0 | 5.0 | 6.0 | 2.0 | — | — | 27.0 |
| 31 May 2021 | Data Influye | | 5.2 | 19.7 | 5.6 | — | — | — | — | 2.5 | 1.2 | — | — | 8.6 | — | 9.6 | — | — | 2.2 | — | 12.6 | 2.5 | 4.9 | 2.4 | — | 1.0 | 22.0 |
| 29 May 2021 | Cosa Nostra | | 4.0 | 23.0 | 14.0 | — | — | — | — | 5.0 | 4.0 | — | 1.0 | — | 4.0 | 9.0 | — | 5.0 | 4.0 | — | 11.0 | 9.0 | 7.0 | — | — | — | 0.0 |
| 28 May 2021 | Cadem | | 10.0 | 17.0 | 5.0 | — | — | — | — | 2.0 | — | — | — | 11.0 | 2.0 | 8.0 | — | 1.0 | 2.0 | — | 17.0 | — | 8.0 | — | — | — | 17.0 |
| 28 May 2021 | Activa | Likely voter | 6.9 | 17.4 | 1.8 | — | — | — | 0.7 | 2.5 | — | — | — | 7.3 | — | 6.0 | — | — | 2.7 | — | 13.1 | 2.9 | 5.2 | 5.0 | — | — | 28.5 |
| 28 May 2021 | Activa | | 6.2 | 13.9 | 1.5 | — | 1.1 | — | 1.7 | 1.5 | — | — | — | 6.6 | — | 4.5 | — | — | 2.3 | — | 12.9 | 3.6 | 3.8 | 3.8 | — | — | 36.6 |
| 20 May 2021 | Cadem | | 7.0 | 20.0 | 5.0 | — | — | — | — | 2.0 | 2.0 | — | — | 13.0 | 1.0 | 11.0 | — | 3.0 | 4.0 | — | 16.0 | — | 5.0 | — | — | — | 11.0 |
| Primaries for Apruebo Dignidad and Chile Vamos are registered. Constituent Unity decides not to hold official primaries. ||||||||||||||||||||||||||||
| 18 May 2021 | Activa | Likely voter | 8.7 | 19.2 | 2.2 | 2.3 | 1.0 | — | — | 1.3 | 0.3 | — | — | 3.6 | 2.3 | 3.3 | — | — | 0.6 | — | 13.5 | 7.7 | 5.0 | — | 0.2 | — | 28.8 |
| 18 May 2021 | Activa | | 10.2 | 13.3 | 1.7 | 1.8 | 0.8 | — | 1.2 | 0.7 | — | — | — | 2.1 | 1.3 | 3.4 | — | — | 0.4 | — | 14.8 | 5.6 | 3.3 | 1.3 | 1.7 | — | 36.4 |
| Matthei, Muñoz and Rincón desist of running for the Presidency ||||||||||||||||||||||||||||
| 2021 municipal, gubernatorial and Constitutional Convention elections ||||||||||||||||||||||||||||
| 3 May 2021 | Criteria | | 15.0 | 13.0 | 2.0 | — | — | — | — | 2.0 | 2.0 | — | — | 3.0 | — | 5.0 | — | — | 3.0 | — | 11.0 | 7.0 | 6.0 | 1.0 | 2.0 | — | 28.0 |
| 30 Apr 2021 | Activa | Likely voter | 21.0 | 17.1 | 0.7 | — | 2.3 | — | 0.3 | 1.0 | 5.3 | — | — | 0.7 | 0.5 | 3.5 | — | — | 2.2 | — | 6.9 | 3.0 | 6.0 | — | — | — | 29.5 |
| 30 Apr 2021 | Activa | | 21.7 | 10.3 | 0.6 | 0.6 | 2.1 | — | 1.7 | 0.6 | 2.8 | — | — | 0.6 | — | 4.2 | — | — | 1.4 | — | 7.8 | 3.0 | 4.8 | 1.4 | — | — | 36.4 |
| 30 Apr 2021 | Cadem | | 18.0 | 11.0 | 3.0 | — | — | — | — | 2.0 | 3.0 | — | — | 4.0 | 3.0 | 5.0 | — | 3.0 | 4.0 | — | 10.0 | 7.0 | 6.0 | — | — | — | 21.0 |
| 26 Apr 2021 | Data Influye | | 15.5 | 16.8 | 3.8 | — | 1.4 | — | — | 3.4 | 3.4 | — | — | — | 1.7 | 4.0 | — | — | 2.4 | — | 9.8 | 4.8 | 4.5 | 1.9 | — | — | 26.6 |
| 16 Apr 2021 | Activa | Likely voter | 17.5 | 18.6 | 1.9 | — | 2.8 | — | 0.5 | 2.3 | 0.8 | — | — | 0.1 | 4.4 | 2.8 | — | 0.3 | 1.8 | — | 8.7 | 4.7 | 4.1 | 2.9 | — | — | 25.8 |
| 16 Apr 2021 | Activa | | 18.4 | 11.5 | 1.2 | 0.5 | 1.7 | — | 2.3 | 1.4 | — | — | — | 0.1 | 2.4 | 2.5 | — | — | 1.8 | — | 10.8 | 4.8 | 3.4 | 1.9 | — | — | 35.3 |
| 7 Apr 2021 | Cadem | 1st mention | 20.0 | 11.0 | 3.0 | — | — | — | — | 3.0 | 4.0 | — | 0.0 | — | 4.0 | 6.0 | — | — | 4.0 | — | 14.0 | 7.0 | 5.0 | — | — | — | 19.0 |
| 7 Apr 2021 | Cadem | All mentions | 30.0 | 18.0 | 8.0 | — | — | — | — | 6.0 | 8.0 | — | 1.0 | — | 7.0 | 10.0 | — | — | 8.0 | — | 24.0 | 19.0 | 9.0 | — | — | — | 21.0 |
| 30 Mar 2021 | Criteria | | 9.0 | 11.0 | 1.0 | 2.0 | — | — | — | 1.0 | 2.0 | — | — | — | 2.0 | 6.0 | — | — | 3.0 | — | 12.0 | 6.0 | 6.0 | 1.0 | 1.0 | 2.0 | 35.0 |
| 29 Mar 2021 | Activa | Likely voter | 12.6 | 11.2 | 2.1 | 1.9 | 2.5 | — | 1.0 | 0.4 | 1.2 | 3.3 | — | — | 1.0 | 5.6 | — | 0.7 | 2.1 | — | 14.0 | 6.8 | 3.9 | 1.3 | 2.7 | — | 25.7 |
| 29 Mar 2021 | Activa | | 13.0 | 7.5 | 1.9 | 1.3 | 1.6 | — | 1.8 | 0.2 | — | 1.7 | — | 0.0 | 0.5 | 5.0 | — | — | 1.5 | — | 13.9 | 5.3 | 3.7 | 1.7 | 3.1 | — | 36.3 |
| 17 Mar 2021 | CELAG | Likely voter | 18.8 | 21.1 | — | — | — | — | — | 5.7 | — | — | — | — | — | 7.2 | — | — | 4.3 | — | 12.0 | 6.2 | 5.3 | — | — | — | 19.4 |
| 17 Mar 2021 | CELAG | | 17.7 | 16.1 | — | — | — | — | — | 4.0 | — | — | — | — | — | 7.1 | — | — | 3.4 | — | 13.4 | 7.9 | 5.3 | — | — | — | 25.1 |
| 12 Mar 2021 | Activa | Likely voter | 7.4 | 15.4 | 0.2 | 2.5 | 1.7 | — | 0.2 | 1.3 | 2.0 | 0.7 | — | — | 0.8 | 6.1 | — | 0.2 | 3.7 | — | 10.8 | 7.5 | 3.2 | 4.3 | — | — | 32.0 |
| 12 Mar 2021 | Activa | | 10.7 | 10.1 | 0.1 | 1.4 | 2.0 | — | 1.4 | 1.0 | 1.1 | 0.5 | — | — | 0.7 | 5.1 | — | — | 2.6 | — | 9.7 | 5.3 | 3.3 | 4.3 | 1.1 | — | 39.6 |
| 5 Mar 2021 | Cadem | | 2.0 | 6.0 | — | — | — | — | 2.0 | 1.0 | 1.0 | — | — | — | — | 3.0 | — | — | 1.0 | — | 5.0 | 4.0 | 3.0 | 1.0 | — | — | 71.0 |
| 2 Mar 2021 | Criteria | | 6.0 | 14.0 | 1.0 | 3.0 | 2.0 | — | 2.0 | 2.0 | 1.0 | — | — | — | 2.0 | 5.0 | — | 0.0 | 2.0 | — | 12.0 | 8.0 | 7.0 | 2.0 | 1.0 | — | 30.0 |
| 28 Feb 2021 | Data Influye | | 6.1 | 17.9 | — | 0.9 | 0.5 | — | 0.8 | 4.4 | 1.9 | 0.6 | — | — | 1.3 | 5.4 | — | 0.0 | 1.9 | — | 8.4 | 5.7 | 4.4 | 2.1 | 0.7 | — | 37.0 |
| 26 Feb 2021 | Activa | Likely voter | 11.6 | 14.8 | 0.1 | 2.1 | 0.4 | — | 1.8 | 1.9 | 0.6 | 1.5 | — | — | 5.1 | 10.3 | — | 0.4 | 2.1 | — | 11.6 | 7.2 | 6.8 | 1.6 | — | — | 20.1 |
| 26 Feb 2021 | Activa | | 9.9 | 7.9 | 0.0 | 1.2 | 0.6 | — | 1.8 | 1.0 | — | 0.8 | — | — | 2.6 | 7.1 | — | 1.5 | 1.2 | — | 14.4 | 4.2 | 4.9 | 3.3 | 0.4 | — | 37.2 |
| 12 Feb 2021 | Activa | Likely voter | 8.4 | 20.4 | — | 2.3 | 1.9 | — | 1.4 | 2.1 | 1.2 | 0.3 | — | — | 1.0 | 6.4 | — | 0.6 | 1.0 | — | 13.7 | 5.3 | 5.3 | 2.9 | — | — | 25.8 |
| 12 Feb 2021 | Activa | | 7.2 | 12.0 | 0.0 | 2.5 | 1.1 | — | 1.7 | 1.1 | — | 0.3 | — | — | 0.7 | 4.4 | — | — | 1.0 | — | 16.1 | 6.5 | 3.6 | 2.2 | 0.3 | — | 39.3 |
| 12 Feb 2021 | Cadem | | 2.0 | 6.0 | — | — | — | — | 1.0 | 2.0 | 1.0 | 1.0 | — | — | 1.0 | 1.0 | — | 0.0 | 1.0 | — | 4.0 | 4.0 | 3.0 | 1.0 | — | — | 72.0 |
| 5 Feb 2021 | Cadem | | 3.0 | 6.0 | — | — | — | — | 2.0 | 2.0 | 1.0 | 1.0 | — | — | 1.0 | 4.0 | — | 0.0 | 1.0 | — | 4.0 | 5.0 | 2.0 | 2.0 | — | — | 66.0 |
| 3 Feb 2021 | Data Influye | | 7.5 | 16.7 | — | 1.0 | 1.2 | — | 1.2 | 4.6 | 2.0 | 1.5 | — | — | 1.4 | 7.4 | — | 0.0 | 2.3 | — | 10.2 | 5.3 | 3.9 | 1.4 | 1.4 | — | 31.0 |
| 1 Feb 2021 | Criteria | | 5.0 | 12.0 | — | 2.0 | — | — | — | 3.0 | 2.0 | 2.0 | — | — | — | 8.0 | — | 0.0 | 3.0 | — | 12.0 | 7.0 | 5.0 | 2.0 | 1.0 | — | 36.0 |
| Heraldo Muñoz wins the internal primary of the PPD, defeating Francisco Vidal and Jorge Tarud. ||||||||||||||||||||||||||||
| 29 Jan 2021 | Activa | Likely voter | 10.8 | 17.0 | — | 3.4 | 1.2 | — | 2.1 | 1.2 | 2.1 | 0.9 | — | — | 4.6 | 4.5 | — | 1.0 | 1.9 | — | 11.7 | 2.7 | 6.4 | 2.1 | 0.1 | — | 26.3 |
| 29 Jan 2021 | Activa | | 11.8 | 10.7 | — | 2.6 | 0.8 | — | 2.6 | 0.7 | 1.5 | 1.0 | — | — | 3.0 | 4.0 | — | — | 1.2 | — | 10.3 | 2.2 | 5.3 | 2.0 | 2.6 | — | 37.7 |
| 29 Jan 2021 | Cadem | | 2.0 | 8.0 | — | — | — | — | 3.0 | 2.0 | 1.0 | 1.0 | — | — | — | 4.0 | — | 0.0 | 1.0 | — | 6.0 | 4.0 | 3.0 | 1.0 | — | — | 64.0 |
| Paula Narváez is proclaimed as the presidential candidate of the Socialist Party. ||||||||||||||||||||||||||||
| Ximena Rincón wins the internal primary of the PDC, defeating Alberto Undurraga. ||||||||||||||||||||||||||||
| 22 Jan 2021 | Cadem | | 2.0 | 8.0 | — | — | — | — | 2.0 | 2.0 | 1.0 | 1.0 | — | — | — | 4.0 | — | 0.0 | 1.0 | — | 6.0 | 4.0 | 3.0 | 1.0 | — | — | 65.0 |
| 15 Jan 2021 | Cadem | | 2.0 | 7.0 | — | — | — | — | 1.0 | — | 1.0 | 1.0 | — | — | — | 4.0 | — | 0.0 | 1.0 | — | 7.0 | 4.0 | 3.0 | — | — | — | 69.0 |
| 15 Jan 2021 | Activa | Likely voter | 5.4 | 14.6 | — | 4.3 | 2.2 | — | 2.1 | 0.8 | 0.3 | 1.1 | — | — | 0.1 | 11.0 | — | — | 1.9 | — | 16.6 | 6.7 | 3.7 | 4.7 | 0.4 | — | 24.1 |
| 15 Jan 2021 | Activa | | 8.5 | 8.9 | — | 2.3 | 1.8 | — | 4.8 | 0.4 | — | 0.7 | — | — | 0.1 | 6.6 | — | — | 1.2 | — | 13.5 | 6.8 | 3.3 | 2.9 | 1.6 | — | 36.6 |
| 5 Jan 2021 | Criteria | | 7.0 | 12.0 | — | 2.0 | 2.0 | — | 2.0 | 1.0 | 1.0 | 2.0 | — | — | — | 7.0 | — | 0.0 | 3.0 | — | 11.0 | 9.0 | 6.0 | 2.0 | 2.0 | — | 31.0 |
| 4 Jan 2021 | Data Influye | | 8.4 | 17.5 | — | 1.7 | 0.7 | — | 0.9 | 2.2 | 2.6 | 1.3 | — | — | 0.5 | 5.9 | — | 0.0 | 2.8 | — | 8.0 | 6.8 | 5.0 | 2.1 | 1.2 | — | 32.4 |
| 31 Dec 2020 | Cadem | | 2.0 | 7.0 | — | — | — | — | 1.0 | — | 1.0 | — | — | — | — | 5.0 | 1.0 | — | 1.0 | — | 5.0 | 5.0 | 2.0 | 1.0 | — | 1.0 | 68.0 |
| Daniel Jadue is proclaimed as the presidential candidate of the Communist Party. ||||||||||||||||||||||||||||
| 28 Dec 2020 | Activa | Likely voter | 13.2 | 13.7 | — | 3.0 | 1.3 | — | 1.2 | — | 1.2 | 1.3 | — | — | 0.2 | 5.7 | — | — | 1.9 | — | 11.5 | 8.9 | 4.4 | 3.3 | — | — | 29.2 |
| 28 Dec 2020 | Activa | | 11.9 | 9.1 | — | 2.6 | 0.7 | — | 2.3 | — | 0.8 | 0.8 | — | — | 0.1 | 6.2 | — | — | 1.3 | — | 12.7 | 7.2 | 3.4 | 2.4 | 1.1 | — | 37.4 |
| 14 Dec 2020 | Activa | Likely voter | 15.8 | 12.6 | — | 1.8 | 1.8 | — | 1.9 | — | 2.3 | 1.9 | — | — | 0.3 | 1.6 | — | — | 1.0 | — | 9.6 | 3.8 | 3.5 | 3.9 | 4.4 | — | 33.8 |
| 14 Dec 2020 | Activa | | 13.8 | 7.8 | — | 1.9 | 2.5 | — | 3.9 | — | 1.4 | 1.3 | — | — | 0.2 | 1.6 | — | — | 1.1 | — | 11.9 | 5.2 | 2.9 | 2.9 | 3.5 | — | 38.1 |
| 10 Dec 2020 | Cadem | | 4.0 | 7.0 | — | 1.0 | — | — | 3.0 | — | 1.0 | 1.0 | — | — | — | 1.0 | 2.0 | — | — | — | 6.0 | 6.0 | 2.0 | 2.0 | — | — | 64.0 |
| 9 Dec 2020 | Criteria | | 9.0 | 15.0 | — | 3.0 | 1.0 | — | 1.0 | — | 2.0 | 3.0 | — | — | — | 3.0 | — | — | 1.0 | — | 10.0 | 9.0 | 6.0 | 4.0 | 1.0 | — | 32.0 |
| 30 Nov 2020 | Data Influye | | 11.3 | 17.9 | — | 1.5 | 0.9 | 0.8 | 0.6 | — | 2.3 | 1.5 | — | — | 0.5 | 1.8 | — | — | 1.5 | — | 11.4 | 6.7 | 5.2 | 2.8 | 1.0 | 3.3 | 29.0 |
| 28 Nov 2020 | Activa | Likely voter | 13.4 | 14.5 | — | 3.5 | 1.6 | — | 1.3 | — | 2.6 | 0.8 | — | — | 0.5 | 0.7 | — | — | 0.5 | — | 11.4 | 7.0 | 2.2 | 1.8 | 1.2 | — | 37.0 |
| 28 Nov 2020 | Activa | | 12.7 | 9.9 | — | 2.5 | 1.3 | — | 2.7 | — | 4.4 | 0.1 | — | — | 0.3 | 0.9 | — | 0.0 | 0.3 | — | 12.3 | 5.7 | 2.7 | 1.5 | 1.5 | — | 41.2 |
| 16 Nov 2020 | Activa | Likely voter | 9.5 | 12.2 | — | 1.8 | 1.9 | — | 3.0 | — | 2.1 | 1.3 | — | — | 0.2 | 0.9 | — | — | 1.0 | — | 14.5 | 6.0 | 4.3 | 6.6 | 2.7 | — | 32.0 |
| 16 Nov 2020 | Activa | | 9.6 | 8.7 | — | 1.2 | 1.2 | — | 2.5 | — | 1.7 | 1.1 | — | 0.2 | 0.1 | 0.6 | — | — | 0.7 | — | 13.3 | 7.0 | 3.3 | 5.3 | 2.2 | — | 41.3 |
| 13 Nov 2020 | Cadem | | 4.0 | 7.0 | — | 4.0 | — | — | 2.0 | — | 2.0 | 3.0 | — | — | — | 1.0 | 1.0 | — | — | — | 10.0 | 5.0 | 2.0 | 2.0 | — | 1.0 | 56.0 |
| 7 Nov 2020 | Cadem | | 1.0 | 6.0 | — | 1.0 | — | — | 2.0 | — | 1.0 | 1.0 | — | — | — | 1.0 | — | — | — | — | 6.0 | 4.0 | 4.0 | 2.0 | — | 1.0 | 70.0 |
| 4 Nov 2020 | Data Influye | | 7.1 | 17.8 | — | 3.0 | 0.9 | 0.6 | 0.9 | — | 2.7 | 1.7 | — | — | 0.7 | 2.6 | — | — | 1.9 | — | 12.1 | 6.6 | 5.2 | 2.9 | 1.4 | 2.3 | 29.6 |
| 3 Nov 2020 | Criteria | | 7.0 | 14.0 | — | 5.0 | 1.0 | — | 2.0 | — | 2.0 | 2.0 | — | — | — | 1.0 | — | — | 2.0 | — | 14.0 | 8.0 | 7.0 | 3.0 | 2.0 | — | 30.0 |
| 2 Nov 2020 | Activa | Likely voter | 5.7 | 15.6 | — | 3.8 | 2.2 | 2.2 | 1.9 | — | 1.3 | 2.8 | — | — | 1.0 | 1.4 | — | — | 0.7 | — | 12.5 | 7.8 | 5.5 | 2.7 | — | — | 32.9 |
| 2 Nov 2020 | Activa | | 5.2 | 10.8 | — | 3.3 | 2.7 | 1.5 | 2.5 | — | 3.8 | 2.4 | — | — | 0.6 | 1.0 | — | 0.0 | 0.5 | — | 11.6 | 6.3 | 5.0 | 3.2 | 0.9 | — | 38.7 |
| 30 Oct 2020 | Cadem | | 2.0 | 6.0 | — | 2.0 | — | — | 2.0 | — | 1.0 | 2.0 | — | — | — | — | 1.0 | — | — | — | 6.0 | 4.0 | 3.0 | 2.0 | — | — | 69.0 |
| 2020 Chilean constitutional referendum. ||||||||||||||||||||||||||||
| 17 Oct 2020 | Activa | | 6.7 | 12.3 | — | 3.7 | 0.8 | 0.2 | 1.8 | — | 2.2 | 0.4 | — | — | 0.2 | 0.6 | — | — | — | — | 10.9 | 6.5 | 3.9 | 4.9 | 4.1 | — | 40.8 |
| 8 Oct 2020 | Cadem | | 1.0 | 7.0 | — | 1.0 | — | — | 1.0 | — | 1.0 | — | — | — | — | — | 1.0 | — | — | — | 7.0 | 5.0 | 3.0 | 1.0 | — | — | 72.0 |
| 5 Oct 2020 | Data Influye | | 6.4 | 16.1 | — | 2.6 | 1.5 | 1.2 | 1.6 | — | 1.6 | 0.9 | — | — | — | 1.9 | 0.6 | — | 0.6 | — | 12.6 | 9.2 | 5.1 | 2.9 | 1.4 | 1.8 | 32.0 |
| 2 Oct 2020 | Cadem | | 1.0 | 8.0 | — | 1.0 | — | — | 1.0 | — | — | — | — | — | — | 1.0 | 1.0 | — | — | — | 8.0 | 7.0 | 3.0 | 2.0 | — | — | 67.0 |
| 30 Sept 2020 | Criteria | | 3.0 | 17.0 | — | 6.0 | 1.0 | — | 2.0 | — | 1.0 | 1.0 | — | — | — | 1.0 | — | — | 1.0 | — | 18.0 | 8.0 | 6.0 | 3.0 | 1.0 | — | 31.0 |
| 28 Sept 2020 | Activa | | 4.8 | 11.8 | — | 3.0 | 2.2 | 0.7 | 1.8 | — | 2.6 | 1.5 | — | — | 0.1 | 1.0 | — | 0.0 | — | — | 17.3 | 7.8 | 3.2 | 3.7 | 2.0 | — | 36.5 |
| 25 Sept 2020 | Cadem | | 1.0 | 5.0 | — | 2.0 | — | — | 2.0 | — | — | — | — | — | — | 1.0 | — | — | — | — | 7.0 | 6.0 | 2.0 | 2.0 | — | — | 72.0 |
| 17 Sept 2020 | Mori-Fiel | | — | 16.0 | — | 8.0 | 3.0 | — | — | — | — | — | — | — | — | — | — | — | — | — | 14.0 | 11.0 | 7.0 | — | — | — | 41.0 |
| 17 Sept 2020 | Cadem | | — | 7.0 | — | 2.0 | — | — | 1.0 | — | — | — | — | — | — | 1.0 | 1.0 | — | — | — | 7.0 | 7.0 | 4.0 | 2.0 | — | — | 68.0 |
| 12 Sept 2020 | Activa | | 3.0 | 11.0 | — | 3.5 | 1.2 | 1.6 | 2.0 | — | 2.4 | 0.3 | — | — | 0.1 | 1.1 | — | 0.1 | — | — | 15.0 | 7.3 | 3.4 | 5.1 | 3.4 | — | 39.5 |
| 10 Sept 2020 | Cadem | | — | 8.0 | — | 2.0 | — | — | 2.0 | — | — | — | — | — | — | 1.0 | — | — | — | — | 7.0 | 5.0 | 3.0 | 2.0 | — | 1.0 | 69.0 |
| 31 Aug 2020 | Criteria | | 3.0 | 16.0 | — | 5.0 | 2.0 | — | 2.0 | — | 1.0 | 1.0 | — | — | — | 2.0 | — | — | 1.0 | — | 15.0 | 8.0 | 7.0 | 4.0 | 1.0 | — | 32.0 |
| 29 Aug 2020 | Activa | | 1.9 | 9.1 | — | 2.6 | 2.0 | 1.5 | 1.9 | — | 2.8 | 0.1 | — | — | 0.2 | 1.1 | — | 0.0 | — | — | 23.1 | 3.9 | 3.8 | 3.2 | 3.4 | — | 39.4 |
| 24 Aug 2020 | Data Influye | | 3.3 | 15.7 | — | 3.1 | 1.9 | 1.9 | 1.5 | — | 1.7 | — | — | — | — | 2.6 | — | — | 1.3 | — | 13.3 | 1.8 | 5.3 | 3.4 | 1.6 | 2.7 | 38.9 |
| 15 Aug 2020 | Activa | | 1.9 | 10.4 | — | 2.3 | 1.4 | 2.0 | 2.6 | — | 2.4 | 0.2 | — | — | 0.5 | 1.5 | — | 0.0 | — | — | 15.1 | 1.9 | 5.2 | 3.4 | 3.5 | — | 45.7 |
| 13 Aug 2020 | Cadem | | — | 7.0 | — | 2.0 | — | — | 2.0 | — | 2.0 | 1.0 | — | — | — | 1.0 | 1.0 | — | — | — | 8.0 | — | 3.0 | 1.0 | — | 1.0 | 71.0 |
| 1 Aug 2020 | Activa | | 1.6 | 11.3 | — | 2.3 | 1.9 | 1.6 | 3.3 | — | 0.7 | 0.6 | — | — | 1.4 | 1.2 | — | — | — | — | 17.5 | 0.5 | 2.8 | 5.7 | 1.8 | — | 45.8 |
| 31 Jul 2020 | Criteria | | 2.0 | 12.0 | — | 6.0 | 2.0 | 3.0 | 2.0 | — | 1.0 | — | — | — | — | 2.0 | — | — | 2.0 | — | 13.0 | 2.0 | 6.0 | 5.0 | 2.0 | — | 40.0 |
| 26 Jul 2020 | Data Influye | | 3.0 | 15.0 | — | 3.0 | 1.0 | 2.0 | 3.0 | — | 1.0 | 1.0 | — | — | — | 2.0 | 1.0 | — | — | — | 14.0 | 2.0 | 5.0 | 5.0 | 2.0 | 3.0 | 37.0 |
| 26 Jul 2020 | Black&White | | — | 19.0 | — | — | — | — | — | — | — | — | — | — | — | 13.0 | — | — | — | — | 18.0 | — | 8.0 | 6.0 | — | 12.0 | 24.0 |
| 24 Jul 2020 | Feedback | | — | 9.2 | — | 0.6 | — | — | — | — | 1.7 | — | — | — | — | 1.8 | 4.7 | 1.1 | 1.2 | — | 7.0 | 2.2 | 5.2 | 3.4 | — | 2.4 | 59.5 |
| 11 Jul 2020 | Activa | | 3.0 | 6.7 | — | 3.3 | 2.1 | 1.0 | 4.3 | — | 0.4 | 1.0 | — | — | 0.1 | 2.3 | — | 0.1 | — | — | 13.3 | 0.7 | 2.7 | 5.0 | 6.7 | 2.8 | 44.5 |
| 10 Jul 2020 | Cadem | | — | 6.0 | — | 1.0 | — | — | 2.0 | — | — | 1.0 | — | — | — | 1.0 | 1.0 | — | — | — | 7.0 | — | 2.0 | 2.0 | — | 1.0 | 76.0 |
| 30 Jun 2020 | Criteria | | 2.0 | 12.0 | — | 7.0 | 2.0 | 2.0 | 1.0 | — | 1.0 | 1.0 | — | — | — | 3.0 | — | — | 2.0 | — | 12.0 | 2.0 | 8.0 | 5.0 | 3.0 | 4.0 | 33.0 |
| 28 Jun 2020 | Activa | | 0.4 | 9.2 | — | 5.2 | 1.3 | 3.3 | 4.1 | — | 0.4 | 0.3 | — | — | 1.2 | 2.0 | — | 0.1 | — | — | 12.6 | 1.4 | 3.8 | 5.6 | 5.5 | 1.9 | 41.7 |
| 21 Jun 2020 | Data Influye | | 1.0 | 9.0 | — | 3.0 | — | 1.0 | 3.0 | — | 1.0 | 1.0 | — | — | — | 2.0 | 1.0 | — | — | — | 12.0 | 3.0 | 4.0 | 4.0 | 2.0 | 8.0 | 45.0 |
| 13 Jun 2020 | Activa | | 0.3 | 5.4 | — | 3.7 | 1.2 | 1.7 | 5.0 | — | 0.6 | 0.6 | — | — | 0.0 | 2.2 | — | 0.1 | — | — | 16.3 | 1.6 | 4.1 | 3.8 | 1.4 | 2.8 | 49.2 |
| 12 Jun 2020 | Cadem | | — | 3.0 | — | 2.0 | — | — | 2.0 | — | 1.0 | 1.0 | — | — | — | — | 1.0 | — | — | — | 6.0 | — | 2.0 | 1.0 | — | 1.0 | 80.0 |
| 31 May 2020 | Criteria | | 1.0 | 8.0 | 1.0 | 6.0 | — | — | 2.0 | — | 1.0 | 2.0 | — | — | — | — | 3.0 | — | 1.0 | — | 16.0 | 4.0 | 7.0 | 5.0 | 1.0 | 3.0 | 39.0 |
| 30 May 2020 | Activa | | 0.8 | 3.3 | — | 4.2 | 1.9 | 2.1 | 5.3 | — | 0.1 | 1.2 | — | — | — | — | 2.1 | 0.8 | — | — | 17.3 | 2.2 | 3.4 | 5.5 | 1.9 | 0.6 | 47.3 |
| 24 May 2020 | CELAG | | — | 12.9 | — | 10.4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 18.8 | — | 4.1 | 10.3 | — | — | 43.5 |
| Total lockdown imposed in Santiago Metropolitan Area and other large cities due to the COVID-19 pandemic. ||||||||||||||||||||||||||||
| 14 May 2020 | Cadem | | — | 3.0 | — | 3.0 | — | — | 2.0 | — | — | 1.0 | — | — | — | — | 1.0 | — | — | — | 7.0 | — | 2.0 | 2.0 | — | — | 79.0 |
| 12 May 2020 | Activa | | 0.4 | 4.5 | — | 3.5 | 2.2 | 1.7 | 5.0 | — | 1.0 | 0.4 | — | — | — | 0.4 | 0.5 | 0.0 | — | — | 15.8 | 0.4 | 4.5 | 10.8 | 2.2 | 0.7 | 46.0 |
| 4 May 2020 | Criteria | | 1.0 | 7.0 | — | 6.0 | — | — | 2.0 | — | 2.0 | 2.0 | — | — | — | — | 2.0 | — | 1.0 | — | 18.0 | 2.0 | 8.0 | 6.0 | 2.0 | — | 41.0 |
| 3 May 2020 | Feedback | | — | 6.9 | — | 2.7 | — | — | 1.0 | — | 1.2 | — | — | — | — | — | 2.4 | 1.9 | 1.2 | — | 9.8 | 1.6 | 6.0 | 2.3 | — | 2.6 | 60.4 |
| 28 Apr 2020 | Activa | | 1.3 | 5.9 | — | 3.7 | 1.1 | 1.2 | 3.0 | — | 0.3 | 0.3 | — | — | 0.1 | 0.0 | 1.5 | 0.4 | — | — | 19.8 | 1.7 | 2.4 | 5.4 | 3.1 | 0.1 | 48.7 |
| 9 Apr 2020 | Cadem | | — | 3.0 | — | 2.0 | — | — | 3.0 | — | 1.0 | 1.0 | — | — | — | — | 1.0 | — | — | — | 10.0 | — | 3.0 | 2.0 | — | — | 74.0 |
| 9 Apr 2020 | Activa | | 0.7 | 5.6 | — | 2.8 | 2.1 | 1.1 | 4.2 | — | 0.7 | 0.2 | — | — | — | 0.1 | 0.5 | 0.0 | — | — | 18.9 | 0.5 | 3.3 | 6.2 | 2.6 | 0.1 | 50.4 |
| 30 Mar 2020 | Criteria | | 2.0 | 9.0 | — | 8.0 | — | 3.0 | 2.0 | — | 1.0 | 1.0 | — | — | — | — | 3.0 | — | — | — | 18.0 | 1.0 | 8.0 | 6.0 | 2.0 | — | 36.0 |
| 27 Mar 2020 | Activa | | 1.3 | 4.5 | — | 4.4 | 1.1 | 1.7 | 3.7 | — | 0.7 | 0.5 | — | — | 0.2 | — | 1.1 | 0.2 | — | — | 11.5 | 0.4 | 5.7 | 8.2 | 2.1 | 0.2 | 52.5 |
| 26 Mar 2020 | Feedback | | — | 5.3 | — | — | — | — | 1.0 | — | 1.2 | — | — | — | — | — | 1.5 | 1.8 | 1.1 | — | 10.9 | — | 6.6 | 3.1 | — | 2.1 | 65.4 |
| 16 Mar 2020 | Data Influye | | 7.0 | 13.0 | 2.0 | 8.0 | 2.0 | 5.0 | — | — | 3.0 | 5.0 | — | — | — | — | 2.0 | — | 4.0 | — | 16.0 | 2.0 | 4.0 | 5.0 | 9.0 | — | 13.0 |
| 13 Mar 2020 | Cadem | | — | 4.0 | — | 2.0 | — | — | 2.0 | — | 1.0 | 1.0 | — | — | — | — | 1.0 | — | 1.0 | — | 7.0 | — | 3.0 | 3.0 | — | — | 75.0 |
| 12 Mar 2020 | Activa | | 0.6 | 3.1 | — | 6.3 | 0.6 | 1.6 | 3.8 | — | 0.5 | 0.5 | — | — | 0.0 | — | 0.6 | 0.0 | — | — | 13.8 | 0.9 | 4.7 | 7.9 | 7.4 | — | 47.7 |
| First cases of COVID-19 are detected in the country. ||||||||||||||||||||||||||||
| 29 Feb 2020 | Criteria | | 2.0 | 6.0 | — | 6.0 | — | 3.0 | 5.0 | — | 2.0 | 2.0 | — | — | — | — | 3.0 | — | 1.0 | — | 15.0 | 1.0 | 10.0 | 7.0 | 2.0 | — | 35.0 |
| 28 Feb 2020 | Activa | | 0.3 | 3.9 | — | 5.7 | 0.9 | 1.6 | 4.0 | — | 0.5 | 1.0 | — | — | — | — | 1.3 | 0.1 | — | — | 13.6 | 0.9 | 2.3 | 8.2 | 2.9 | — | 52.8 |
| 14 Feb 2020 | Data Influye | | 7.0 | 14.0 | 2.0 | 6.0 | 2.0 | 6.0 | — | — | 4.0 | 8.0 | — | — | — | — | 2.0 | — | 4.0 | — | 15.0 | 2.0 | 3.0 | 5.0 | 7.0 | — | 13.0 |
| 14 Feb 2020 | Cadem | | — | 3.0 | — | 2.0 | — | — | 2.0 | — | 1.0 | 1.0 | — | — | — | — | 2.0 | — | — | — | 4.0 | — | 4.0 | 4.0 | — | — | 77.0 |
| 13 Feb 2020 | Activa | | 0.5 | 2.3 | — | 4.6 | 1.6 | 1.8 | 5.8 | — | 0.5 | 0.3 | — | — | — | — | 0.6 | 0.0 | — | — | 16.1 | 0.4 | 4.5 | 6.4 | 3.1 | — | 51.5 |
| 30 Jan 2020 | Activa | | 0.8 | 5.4 | — | 5.9 | 1.6 | 0.9 | 2.8 | — | 0.4 | 0.3 | — | — | — | — | 1.7 | 0.3 | — | — | 15.3 | 0.2 | 6.1 | 9.9 | 5.6 | — | 42.8 |
| 28 Jan 2020 | Criteria | | 1.0 | 6.0 | 2.0 | 7.0 | 2.0 | 2.0 | 2.0 | — | 2.0 | 1.0 | — | — | — | — | 3.0 | — | 1.0 | — | 14.0 | 1.0 | 8.0 | 8.0 | 2.0 | — | 38.0 |
| 17 Jan 2020 | Cadem | | — | 3.0 | — | 3.0 | — | — | 2.0 | — | — | 1.0 | — | — | — | — | 2.0 | — | 0.0 | — | 4.0 | — | 3.0 | 3.0 | — | — | 79.0 |
| 16 Jan 2020 | Activa | | 1.1 | 4.8 | — | 5.2 | — | 5.1 | 4.2 | — | 1.1 | 0.2 | — | — | — | — | 1.4 | 0.1 | — | — | 8.9 | 0.6 | 3.9 | 11.6 | 2.1 | — | 44.9 |
| 30 Dec 2019 | Criteria | | 0.0 | 6.0 | — | 8.0 | — | 2.0 | 4.0 | — | 1.0 | 2.0 | — | — | 0.0 | — | 3.0 | — | 0.0 | — | 14.0 | 1.0 | 9.0 | 9.0 | 2.0 | — | 0.0 |
| 26 Dec 2019 | Activa | | 0.6 | 6.3 | — | 5.2 | 2.1 | 0.3 | 2.7 | — | 2.8 | 0.3 | — | — | 0.0 | — | 0.5 | — | 0.0 | — | 12.1 | 0.5 | 6.7 | 7.5 | 2.6 | — | 39.0 |
| 20 Dec 2019 | Cadem | | 0.0 | 3.0 | — | 3.0 | — | — | 1.0 | — | — | 1.0 | — | — | 0.0 | — | 2.0 | — | 1.0 | — | 5.0 | — | 5.0 | 5.0 | 1.0 | — | 49.8 |
| 29 Nov 2019 | Cadem | | 0.0 | 2.0 | — | 4.0 | — | — | 2.0 | — | 1.0 | 1.0 | — | — | 0.0 | — | 2.0 | — | 0.0 | — | 6.0 | — | 2.0 | 5.0 | 1.0 | — | 73.0 |
| 26 Nov 2019 | Activa | | 0.4 | 3.3 | — | 8.6 | 0.4 | 2.8 | 3.7 | — | 1.3 | 0.6 | — | — | 0.0 | — | 0.4 | — | 0.0 | — | 7.8 | 0.4 | 7.0 | 9.9 | 3.1 | — | 74.0 |
| 26 Nov 2019 | Criteria | | 0.0 | 7.0 | — | 8.0 | — | 2.0 | 2.0 | — | 2.0 | 1.0 | — | — | 0.0 | — | 4.0 | — | 0.0 | — | 8.0 | — | 8.0 | 8.0 | 2.0 | — | 50.3 |
| Agreement signed between different parties to held a referendum in 2020 to write a new Constitution. ||||||||||||||||||||||||||||
| 30 Oct 2019 | Cadem | | 0.0 | 3.0 | — | 5.0 | — | — | 2.0 | — | 1.0 | — | — | — | 1.0 | — | 3.0 | — | 0.0 | — | 6.0 | — | 2.0 | 1.0 | — | — | 48.0 |
| 30 Oct 2019 | Activa | | 0.2 | 3.3 | — | 12.4 | 2.0 | 1.9 | 6.6 | — | 2.4 | 0.6 | — | — | 0.0 | — | 1.8 | — | 0.0 | 1.9 | 10.0 | 0.7 | 5.8 | 0.7 | 3.9 | — | 76.0 |
| 29 Oct 2019 | Criteria | | 0.0 | 5.0 | — | 10.0 | — | 2.0 | — | — | 2.0 | 2.0 | — | — | 0.0 | — | 3.0 | — | 0.0 | — | 14.0 | 2.0 | 9.0 | — | 2.0 | — | 45.8 |
| El Estallido Social: mass protests and riots all over the country. ||||||||||||||||||||||||||||
| 11 Oct 2019 | Cadem | | 0.0 | 3.0 | — | 6.0 | — | — | 5.0 | — | 1.0 | 1.0 | — | — | 0.0 | — | 2.0 | — | 0.0 | — | 11.0 | — | 5.0 | — | — | — | 49.0 |
| 30 Sept 2019 | Criteria | | 0.0 | 4.0 | — | 14.0 | 3.0 | 2.0 | 6.0 | — | — | — | — | — | 0.0 | — | 4.0 | — | 0.0 | 5.0 | 17.0 | 2.0 | 12.0 | — | — | — | 66.0 |
| 25 Sept 2019 | Activa | | 0.1 | 4.9 | — | 13.5 | 1.3 | 1.9 | 7.2 | — | 0.2 | 0.0 | — | — | 0.0 | — | 1.6 | — | 0.0 | 2.4 | 11.7 | 0.6 | 6.8 | 0.0 | 2.2 | — | 31.0 |
| 30 Aug 2019 | Criteria | | 0.0 | 5.0 | — | 8.0 | 3.0 | 2.0 | 2.0 | — | — | — | — | — | 0.0 | — | 5.0 | — | 0.0 | 3.0 | 16.0 | — | 12.0 | — | — | — | 45.6 |
| 29 Aug 2019 | Activa | | — | 4.5 | — | 9.0 | 1.6 | 2.6 | 7.2 | — | 0.3 | 0.2 | — | — | 0.0 | — | 4.9 | — | 0.0 | 2.8 | 16.9 | 1.3 | 7.0 | 0.7 | 3.2 | — | 44.0 |
| 29 Jul 2019 | Criteria | | 0.0 | 6.0 | — | 11.0 | 2.0 | 2.0 | 5.0 | — | — | — | — | — | 0.0 | — | 4.0 | — | 0.0 | 5.0 | 16.0 | 2.0 | 10.0 | — | — | — | 37.8 |
| 25 Jul 2019 | Activa | | — | 3.0 | — | 10.3 | 2.4 | 2.1 | 7.0 | — | 0.3 | — | — | — | 0.0 | — | 3.4 | — | 0.0 | 2.7 | 17.8 | 1.3 | 5.1 | 1.0 | 1.8 | — | 37.0 |
| 12 Jul 2019 | Cadem | | 0.0 | 3.0 | — | 8.0 | — | — | 5.0 | — | 1.0 | — | — | — | 1.0 | — | 2.0 | — | 0.0 | — | 9.0 | 1.0 | 5.0 | — | — | — | 41.8 |
| 1 Jul 2019 | Criteria | | 0.0 | 6.0 | — | 10.0 | 2.0 | 2.0 | 5.0 | — | — | — | — | — | 0.0 | — | 4.0 | — | 0.0 | 3.0 | 17.0 | 2.0 | 11.0 | — | — | — | 65.0 |
| 1 Jul 2019 | Activa | | 0.0 | 5.0 | — | 14.3 | 3.0 | 2.0 | 7.9 | — | 0.8 | — | — | — | 0.0 | — | 3.7 | — | 0.0 | 2.5 | 11.4 | 1.1 | 7.6 | 0.9 | 0.8 | — | 38.0 |
| 3 Jun 2019 | Criteria | | 0.0 | 6.0 | — | 13.0 | 2.0 | 3.0 | 5.0 | — | — | — | — | — | 0.0 | — | 5.0 | — | 0.0 | 4.0 | 11.0 | 2.0 | 9.0 | — | — | — | 39.0 |
| 31 May 2019 | Activa | | 0.0 | 2.6 | — | 10.8 | 2.0 | 3.2 | 8.2 | — | 0.5 | 0.5 | — | — | 0.0 | — | 2.7 | — | 0.0 | 5.4 | 10.6 | 3.2 | 8.1 | 0.4 | 3.0 | — | 40.0 |
| 2 May 2019 | Activa | | 0.3 | 2.2 | — | 11.1 | 4.0 | 3.0 | 8.5 | — | 1.2 | 0.5 | — | — | 0.0 | — | 3.9 | — | 0.0 | 3.9 | 7.5 | 0.7 | 11.2 | 0.5 | 3.1 | — | 38.8 |
| 28 Apr 2019 | Criteria | | 0.0 | 5.0 | — | 12.0 | 3.0 | 3.0 | 5.0 | — | — | — | — | — | 0.0 | — | 5.0 | — | 0.0 | 5.0 | 10.0 | 2.0 | 10.0 | — | — | — | 38.4 |
| 31 Mar 2019 | Criteria | | 0.0 | 3.0 | — | 12.0 | — | — | 6.0 | — | — | — | — | — | 0.0 | — | 5.0 | — | 0.0 | 8.0 | 9.0 | 2.0 | 10.0 | — | — | — | 40.0 |
| 31 Mar 2019 | Activa | | 0.1 | 2.1 | — | 13.0 | 2.9 | 2.4 | 7.9 | — | 0.6 | 0.2 | — | — | 0.0 | — | 3.3 | — | 0.0 | 4.4 | 8.3 | 1.3 | 5.8 | 0.2 | 1.7 | — | 45.0 |
| 1 Mar 2019 | Activa | | 0.0 | 2.6 | — | 14.6 | 5.6 | 1.8 | 6.9 | — | 0.7 | 0.1 | — | — | 0.0 | — | 2.6 | — | 0.0 | 3.6 | 6.8 | 2.3 | 9.1 | 0.4 | 3.0 | — | 45.8 |
| 28 Feb 2019 | Criteria | | 0.0 | 3.0 | — | 12.0 | 2.0 | 4.0 | 4.0 | — | — | — | — | — | 0.0 | — | 6.0 | — | 0.0 | 5.0 | 9.0 | 3.0 | 11.0 | — | — | — | 39.9 |
| 31 Jan 2019 | Criteria | | 0.0 | 3.0 | — | 12.0 | 3.0 | 2.0 | 3.0 | — | — | — | — | — | 0.0 | — | 4.0 | — | 0.0 | 5.0 | 8.0 | 2.0 | 10.0 | — | — | — | 41.0 |
| 31 Jan 2019 | Activa | | 0.5 | 1.0 | — | 12.1 | 2.2 | 2.4 | 9.9 | — | 0.6 | 0.3 | — | — | 0.0 | — | 1.8 | — | 0.0 | 5.7 | 7.9 | 1.3 | 6.4 | 0.9 | 2.5 | — | 48.0 |
| 11 Jan 2019 | Cadem | | 0.0 | 3.0 | — | 11.0 | 1.0 | 1.0 | 6.0 | — | 1.0 | — | — | — | 0.0 | — | 3.0 | — | 0.0 | — | 6.0 | 1.0 | 7.0 | — | — | — | 44.5 |
| 28 Dec 2018 | Criteria | | — | 4.0 | — | 10.0 | 2.0 | 2.0 | 3.0 | — | — | — | — | — | — | — | 5.0 | — | — | 4.0 | 6.0 | 3.0 | 12.0 | — | — | — | 0.0 |
| 30 Nov 2018 | Criteria | | — | 4.0 | — | 12.0 | 3.0 | 5.0 | 3.0 | — | — | — | — | — | — | — | 4.0 | — | — | 3.0 | 5.0 | 2.0 | 8.0 | — | — | — | 45.0 |
| 3 Nov 2018 | Criteria | | — | 2.0 | — | 11.0 | 2.0 | 3.0 | 4.0 | — | 2.0 | — | — | — | — | — | 5.0 | — | — | 2.0 | 3.0 | 4.0 | 8.0 | — | — | — | 49.0 |
| 2 Oct 2018 | Criteria | | — | 3.0 | — | 10.0 | 3.0 | 3.0 | 1.0 | — | — | — | — | — | — | — | 6.0 | — | — | 5.0 | 4.0 | 2.0 | 9.0 | — | — | — | 51.0 |
| 31 Aug 2018 | Criteria | | — | — | — | 14.0 | 3.0 | 4.0 | 3.0 | — | — | — | — | — | — | — | 5.0 | — | — | 4.0 | 5.0 | 3.0 | 7.0 | — | — | — | 51.0 |
| 30 Jul 2018 | Criteria | | — | — | — | 20.0 | 4.0 | 6.0 | 7.0 | — | — | — | — | — | — | — | 5.0 | — | — | 5.0 | 6.0 | 5.0 | 7.0 | — | — | — | 50.0 |
| 28 Jun 2018 | Criteria | | — | — | — | 16.0 | 6.0 | 6.0 | 4.0 | — | — | — | — | — | — | — | 8.0 | — | — | 7.0 | 2.0 | 2.0 | 10.0 | — | — | — | 31.0 |
| 23 May 2018 | Criteria | | — | — | — | 16.0 | 3.0 | 5.0 | — | — | — | — | — | — | — | — | 5.0 | — | — | 5.0 | 2.0 | — | 14.0 | — | — | — | 35.0 |
| 12 Apr 2018 | Criteria | | — | — | — | 22.0 | 4.0 | 4.0 | — | — | — | — | — | — | — | — | 6.0 | — | — | 5.0 | 3.0 | — | 10.0 | — | — | — | 48.0 |

## Second round

    Results considering only official candidates (excluding "Other", "Don't know", "Do not vote", etc.) and general voters, excluding polls only with likely voters. Average of polls every 3 days.
| Date | Polling firm | Type of poll | Boric (CS) | J.A. Kast (PLR) | Not voting | Not sure |
| 15-16 Dec 2021 | Cadem | Base 100 | 55 | 45 | |
| 1-4 Dec 2021 | AtlasIntel | | 41.0 | 38.7 | 20.3 | 20.3 |
| 30 Nov-4 Dec 2021 | Activa | | 42.2 | 28.3 | 13.5 | 16.0 |
| 30 Nov-2 Dec 2021 | Feedback | | 45 | 39 | 14 | 2 |
| 30 Nov-2 Dec 2021 | Cadem | | 40 | 35 | 25 | 25 |
| 26–29 Nov 2021 | Studio Público | | 45.0 | 45.3 | 9.7 | 9.7 |
| 25–29 Nov 2021 | Data Influye | | 47 | 34 | 12 | 7 |
| 25–29 Nov 2021 | Criteria | Base 100 | 54 | 46 | — | — |
| 26-27 Nov 2021 | Black & White | | 44 | 41 | 4 | 10 |
| 24-26 Nov 2021 | Cadem | | 39 | 33 | 28 | 28 |
| 23-26 Nov 2021 | Activa | Likely voter (55.8%) | 53.9 | 31.2 | 5.1 | 9.8 |
| 23-26 Nov 2021 | Activa | | 40.4 | 24.5 | 12.8 | 22.5 |
| 20 Nov 2021 | Cadem | Online panel | 39 | 39 | 22 | 22 |
| 16-19 Nov 2021 | Cadem | | 37 | 33 | 30 | 30 |
| 9-12 Nov 2021 | Activa | | 35.9 | 35.0 | 21.9 | 7.2 |
| 5–6 Nov 2021 | AtlasIntel | | 36.3 | 40.7 | 23.0 | 23.0 |
| 2–4 Nov 2021 | Cadem | | 40 | 44 | 11 | 5 |
| 3 Nov 2021 | UDD | | 33 | 33 | 34 | 34 |
| 1–2 Nov 2021 | AtlasIntel | | 36.7 | 42.6 | 20.7 | 20.7 |
| 29 Oct–2 Nov 2021 | Feedback | Likely voter (48%) | 41.2 | 48.7 | 10.1 | 10.1 |
| 26–31 Oct 2021 | Studio Publico | | 46.8 | 53.2 | — | — |
| 25–29 Oct 2021 | Activa | Likely voter | 42.9 | 36.8 | 4.2 | 16.1 |
| 25–29 Oct 2021 | Activa | | 32.9 | 32.8 | 12.5 | 12.1 |
| 20–26 Oct 2021 | La Cosa Nostra | | 46 | 54 | — | — |
| 12–15 Oct 2021 | Activa | Likely voter | 52.6 | 30.2 | 11.2 | 6.0 |
| 12–15 Oct 2021 | Activa | | 39.5 | 28.1 | 22.7 | 9.7 |
| 13–14 Oct 2021 | Cadem | | 43 | 35 | 16 | 6 |
| 5–7 Oct 2021 | UDD | | 37 | 29 | 34 | 34 |
| 27 Sep–1 Oct 2021 | Activa | Likely voter | 47.1 | 28.3 | 16.5 | 8.1 |
| 27 Sep–1 Oct 2021 | Activa | | 35.7 | 25.8 | 26.9 | 11.6 |
| 14–16 Sep 2021 | Cadem | | 50 | 27 | 17 | 6 |
| 1–3 Sep 2021 | Cadem | | 53 | 27 | 15 | 5 |

### Discarded pairings

Some polls evaluated a potential second round between candidates that participated in the first round of elections
| Date | Polling firm | Type of poll | Boric (CS) | Sichel (I-ChV) | Not voting | Not sure |
| 15 Oct 2021 | Activa | Likely voter | 49.4 | 28.5 | 14.7 | 7.4 |
| 15 Oct 2021 | Activa | | 37.6 | 24.6 | 26.7 | 11.1 |
| 14 Oct 2021 | Cadem | | 41 | 35 | 18 | 6 |
| 7 Oct 2021 | UDD | | 37 | 26 | 37 | 37 |
| 1 Oct 2021 | Activa | Likely voter | 43.9 | 31.2 | 16.3 | 8.6 |
| 1 Oct 2021 | Activa | | 33.4 | 28.0 | 27.0 | 11.6 |
| 16 Sept 2021 | Feedback | Likely voter | 43 | 44 | 10 | 3 |
| 16 Sept 2021 | Feedback | | 37 | 43 | 18 | 2 |
| 16 Sept 2021 | Cadem | | 44 | 36 | 15 | 5 |
| 3 Sept 2021 | Cadem | | 44 | 39 | 13 | 4 |
| 25 Aug 2021 | UDD | | 31 | 30 | 30 | 9 |
| 30 Jul 2021 | Feedback | Likely voter | 48 | 40 | 11 | 1 |
| 30 Jul 2021 | Feedback | | 41 | 44 | 13 | 2 |
| 23 Jul 2021 | Cadem | | 46 | 42 | 8 | 4 |
| Date | Polling firm | Type of poll | Boric (CS) | Provoste (PDC) | Not voting | Not sure |
| 15 Oct 2021 | Activa | Likely voter | 38.6 | 30.8 | 23.0 | 7.6 |
| 15 Oct 2021 | Activa | | 31.3 | 25.8 | 11.4 | 31.4 |
| 14 Oct 2021 | Cadem | | 39 | 35 | 21 | 5 |
| 1 Oct 2021 | Activa | Likely voter | 39.6 | 26.1 | 25.7 | 8.6 |
| 1 Oct 2021 | Activa | | 30.9 | 22.7 | 33.7 | 12.7 |
| 16 Sept 2021 | Feedback | Likely voter | 43 | 25 | 29 | 2 |
| 16 Sept 2021 | Feedback | | 36 | 24 | 38 | 2 |
| 16 Sept 2021 | Cadem | | 42 | 34 | 18 | 6 |
| 3 Sept 2021 | Cadem | | 44 | 34 | 16 | 6 |
| 25 Aug 2021 | UDD | | 31.2 | 24.0 | 37.9 | 6.9 |
| 30 Jul 2021 | Feedback | Likely voter | 47 | 24 | 28 | 1 |
| 30 Jul 2021 | Feedback | | 41 | 24 | 34 | 1 |
| 23 Jul 2021 | Cadem | | 46 | 34 | 14 | 6 |
| 24 Jun 2021 | Cadem | | 25 | 40 | 30 | 5 |
| Date | Polling firm | Type of poll | Provoste (PDC) | Sichel (I-ChV) | Not voting | Not sure |
| 14 Oct 2021 | Cadem | | 40 | 35 | 20 | 5 |
| 16 Sept 2021 | Feedback | Likely voter | 30 | 44 | 24 | 2 |
| 16 Sept 2021 | Feedback | | 29 | 43 | 26 | 2 |
| 16 Sept 2021 | Cadem | | 40 | 36 | 18 | 6 |
| 3 Sept 2021 | Cadem | | 38 | 42 | 16 | 4 |
| 25 Aug 2021 | UDD | | 27.1 | 32.8 | 33.1 | 7.0 |
| 30 Jul 2021 | Feedback | Likely voter | 37 | 41 | 21 | 1 |
| 30 Jul 2021 | Feedback | | 30 | 45 | 24 | 1 |
| 23 Jul 2021 | Cadem | | 36 | 45 | 13 | 6 |
| 24 Jun 2021 | Cadem | | 39 | 32 | 24 | 5 |
| Date | Polling firm | Type of poll | Provoste (PDC) | J.A. Kast (PLR) | Not voting | Not sure |
| 14 Oct 2021 | Cadem | | 44 | 36 | 15 | 5 |
| Date | Polling firm | Type of poll | Sichel (I-ChV) | J.A. Kast (PLR) | Not voting | Not sure |
| 14 Oct 2021 | Cadem | | 30 | 34 | 28 | 8 |
Some polls included candidates that eventually announced they would not run for office.
| Date | Polling firm | Jadue (PC) | F. Kast (EVO) | Not voting | Not sure |
| 8 Jan 2021 | Cadem | 31 | 24 | 29 | 16 |
| 18 Nov 2020 | Cadem | 35 | 24 | 25 | 6 |
| 30 Oct 2020 | Cadem | 32 | 26 | 32 | 7 |
| Date | Polling firm | Jiles (PH) | F. Kast (EVO) | Not voting | Not sure |
| 18 Nov 2020 | Cadem | 40 | 22 | 27 | 11 |
| 30 Oct 2020 | Cadem | 46 | 24 | 25 | 5 |
| Date | Polling firm | Jadue (PC) | J.A. Kast (PLR) | Not voting | Not sure |
| 8 Jan 2021 | Cadem | 31 | 21 | 32 | 16 |
| 18 Nov 2020 | Cadem | 36 | 23 | 34 | 7 |
| 30 Oct 2020 | Cadem | 33 | 20 | 32 | 15 |
| Date | Polling firm | Jiles (PH) | J.A.Kast (PLR) | Not voting | Not sure |
| 18 Nov 2020 | Cadem | 42 | 20 | 25 | 13 |
| 30 Oct 2020 | Cadem | 47 | 21 | 27 | 5 |
| Date | Polling firm | Jadue (PC) | Lavín (UDI) | Not voting | Not sure |
| 24 Jun 2021 | Cadem | 32 | 39 | 23 | 6 |
| 20 May 2021 | Cadem | 35 | 37 | 25 | 3 |
| 8 Apr 2021 | Cadem | 30 | 46 | 19 | 5 |
| 18 Mar 2021 | UDD | 28.9 | 32.8 | 38.3 | 38.3 |
| 8 Jan 2021 | Cadem | 25 | 37 | 26 | 12 |
| 18 Nov 2020 | Cadem | 32 | 36 | 26 | 6 |
| 30 Oct 2020 | Cadem | 28 | 33 | 26 | 13 |
| Date | Polling firm | Jiles (PH) | Lavín (UDI) | Not voting | Not sure |
| 18 Nov 2020 | Cadem | 35 | 35 | 22 | 8 |
| 30 Oct 2020 | Cadem | 36 | 36 | 23 | 5 |
| Date | Polling firm | Muñoz (PPD) | Lavín (UDI) | Not voting | Not sure |
| 18 Nov 2020 | Cadem | 19 | 35 | 38 | 8 |
| 30 Oct 2020 | Cadem | 22 | 32 | 31 | 15 |
| Date | Polling firm | Narváez (PS) | Lavín (UDI) | Not voting | Not sure |
| 18 Mar 2021 | UDD | 12.4 | 31.1 | 56.5 | 56.5 |
| Date | Polling firm | Rincón (PDC) | Lavín (UDI) | Not voting | Not sure |
| 18 Nov 2020 | Cadem | 22 | 35 | 36 | 7 |
| 30 Oct 2020 | Cadem | 23 | 33 | 31 | 13 |
| Date | Polling firm | Sánchez (I-FA) | Lavín (UDI) | Not voting | Not sure |
| 18 Nov 2020 | Cadem | 30 | 36 | 28 | 6 |
| 30 Oct 2020 | Cadem | 31 | 34 | 25 | 10 |
| Date | Polling firm | Vidal (PPD) | Lavín (UDI) | Not voting | Not sure |
| 18 Nov 2020 | Cadem | 21 | 33 | 39 | 7 |
| 30 Oct 2020 | Cadem | 24 | 31 | 31 | 14 |
| Date | Polling firm | Jadue (PC) | Matthei (UDI) | Not voting | Not sure |
| 18 Mar 2021 | UDD | 29.1 | 29.1 | 41.8 | 41.8 |
| 8 Jan 2021 | Cadem | 27 | 36 | 25 | 12 |
| 18 Nov 2020 | Cadem | 35 | 34 | 25 | 6 |
| 30 Oct 2020 | Cadem | 29 | 32 | 26 | 13 |
| Date | Polling firm | Jiles (PH) | Matthei (UDI) | Not voting | Not sure |
| 18 Nov 2020 | Cadem | 38 | 33 | 20 | 9 |
| 30 Oct 2020 | Cadem | 44 | 32 | 23 | 5 |
| Date | Polling firm | Narváez (PS) | Matthei (UDI) | Not voting | Not sure |
| 18 Mar 2021 | UDD | 12.7 | 27.5 | 59.8 | 59.8 |
| Date | Polling firm | Jadue (PC) | Sichel (I-ChV) | Not voting | Not sure |
| 18 Mar 2021 | UDD | 29 | 24.9 | 46.1 | 46.1 |
| 8 Jan 2021 | Cadem | 25 | 30 | 27 | 17 |
| 18 Nov 2020 | Cadem | 31 | 35 | 27 | 7 |
| 30 Oct 2020 | Cadem | 29 | 20 | 33 | 18 |
| Date | Polling firm | Jiles (PH) | Sichel (I-ChV) | Not voting | Not sure |
| 18 Nov 2020 | Cadem | 40 | 36 | 19 | 5 |
| Date | Polling firm | Narváez (PS) | Sichel (I-ChV) | Not voting | Not sure |
| 18 Mar 2021 | UDD | 15.9 | 26.3 | 57.8 | 57.8 |