# Demographics of Kiribati

Demographic features of the population of Kiribati include population density, ethnicity, education level, health of the populace, economic status, religious affiliations and other aspects of the population.

## Population

* 110,136 (2015 Census)
* 119,940 (2020 Census)
| Year | Pop. | ±% |
| 1921 | 26,430 | — |
| 1931 | 29,751 | +12.6% |
| 1947 | 31,513 | +5.9% |
| 1963 | 43,336 | +37.5% |
| 1973 | 51,926 | +19.8% |
| 1978 | 56,213 | +8.3% |
| 1985 | 63,883 | +13.6% |
| Year | Pop. | ±% |
| 1990 | 72,335 | +13.2% |
| 1995 | 77,658 | +7.4% |
| 2000 | 84,494 | +8.8% |
| 2005 | 92,533 | +9.5% |
| 2010 | 103,058 | +11.4% |
| 2015 | 110,136 | +6.9% |
| 2020 | 119,940 | +8.9% |
Source: :
Largest villages in Kiribati 2020 Kiribati Census :
| | Rank | Name | Island | Pop. | |
| Betio Bikenibeu | 1 | Betio | South Tarawa | 18,565 | Teaoraereke Bairiki |
| Betio Bikenibeu | 2 | Bikenibeu | South Tarawa | 7,547 | Teaoraereke Bairiki |
| Betio Bikenibeu | 3 | Teaoraereke | South Tarawa | 6,073 | Teaoraereke Bairiki |
| Betio Bikenibeu | 4 | Bairiki | South Tarawa | 3,500 | Teaoraereke Bairiki |
| Betio Bikenibeu | 5 | Temwaiku | South Tarawa | 5,504 | Teaoraereke Bairiki |
| Betio Bikenibeu | 6 | Eita | South Tarawa | 3,921 | Teaoraereke Bairiki |
| Betio Bikenibeu | 7 | Tabwakea | Kiritimati | 3,537 | Teaoraereke Bairiki |
| Betio Bikenibeu | 8 | Bonriki | South Tarawa | 3,075 | Teaoraereke Bairiki |
| Betio Bikenibeu | 9 | Ambo | South Tarawa | 3,373 | Teaoraereke Bairiki |
| Betio Bikenibeu | 10 | London | Kiritimati | 1,970 | Teaoraereke Bairiki |

### Structure of the population

| Age Group | Male | Female | Total | % |
| Total | 54 096 | 56 040 | 110 136 | 100 |
| 0–4 | 7 546 | 6 847 | 14 393 | 13.07 |
| 5–9 | 6 903 | 6 697 | 13 600 | 12.35 |
| 10–14 | 5 309 | 5 136 | 10 445 | 9.48 |
| 15–19 | 5 851 | 5 825 | 11 676 | 10.60 |
| 20–24 | 5 199 | 5 120 | 10 319 | 9.37 |
| 25–29 | 4 682 | 4 990 | 9 672 | 8.78 |
| 30–34 | 3 838 | 4 174 | 8 012 | 7.27 |
| 35–39 | 3 161 | 3 423 | 6 584 | 5.98 |
| 40–44 | 2 433 | 2 658 | 5 091 | 4.62 |
| 45–49 | 2 676 | 3 031 | 5 707 | 5.18 |
| 50–54 | 2 372 | 2 533 | 4 905 | 4.45 |
| 55–59 | 1 548 | 1 773 | 3 321 | 3.02 |
| 60–64 | 1 051 | 1 355 | 2 406 | 2.18 |
| 65–69 | 731 | 1 017 | 1 748 | 1.59 |
| 70–74 | 460 | 778 | 1 238 | 1.12 |
| 75–79 | 217 | 391 | 608 | 0.55 |
| 80–84 | 80 | 187 | 267 | 0.24 |
| 85–89 | 30 | 79 | 109 | 0.10 |
| 90–94 | 7 | 17 | 24 | 0.02 |
| 95–99 | 2 | 9 | 11 | 0.01 |
| 100+ | 0 | 0 | 0 | 0 |
| Age group | Male | Female | Total | Percent |
| 0–14 | 19 758 | 18 680 | 38 438 | 34.90 |
| 15–64 | 32 811 | 34 882 | 67 693 | 61.46 |
| 65+ | 1 527 | 2 478 | 4 005 | 3.64 |
| Age Group | Male | Female | Total | % |
| Total | 59 154 | 60 786 | 119 940 | 100 |
| 0–4 | 7 965 | 7 422 | 15 387 | 12.83 |
| 5–9 | 7 517 | 6 895 | 14 412 | 12.02 |
| 10–14 | 6 701 | 6 598 | 13 299 | 11.09 |
| 15–19 | 5 368 | 5 022 | 10 390 | 8.66 |
| 20–24 | 5 629 | 5 520 | 11 149 | 9.30 |
| 25–29 | 4 993 | 5 113 | 10 106 | 8.43 |
| 30–34 | 4 511 | 4 776 | 9 287 | 7.74 |
| 35–39 | 3 791 | 4 086 | 7 877 | 6.57 |
| 40–44 | 2 997 | 3 145 | 6 142 | 5.12 |
| 45–49 | 2 311 | 2 555 | 4 866 | 4.06 |
| 50–54 | 2 413 | 2 802 | 5 215 | 4.35 |
| 55–59 | 1 861 | 2 289 | 4 150 | 3.46 |
| 60–64 | 1 386 | 1 679 | 3 065 | 2.56 |
| 65+ | 1 711 | 2 884 | 4 595 | 3.83 |
| Age group | Male | Female | Total | Percent |
| 0–14 | 22 183 | 20 915 | 43 098 | 35.93 |
| 15–64 | 35 260 | 36 987 | 72 247 | 60.24 |
| 65+ | 1 711 | 2 884 | 4 595 | 3.83 |

## Vital statistics

Vital statistics registration is incomplete.

### Total fertility rate

* 2.25 children born/woman (2020 est.)
* 3.3 (2018–19) - Pacific community

## Ethnic groups

* I-Kiribati 96.2%, 105,983
* Mixed/I-Kiribati 1.8% 1,974
* Tuvaluans 0.2% 198
* Others 1.8% 1,981 (2015 census)

## Languages

* English (official)
* Gilbertese (official)

## Religions

* Roman Catholic: 57.3%
* Kiribati Uniting Church: 31.3%
* Latter-day Saints: 5.3%
* Baháʼí: 2.1%
* Seventh-day Adventist: 1.9%
* Other: 2.1% (2015 est.)