| 1 | A | B | C | D | E | F | G | H | I |
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| 2 | List of Prime Ministers of Niger - List |  |  |  |  |  |  |  |  |
| 3 | No. | Prime Minister (Birth–Death) | Portrait | Tenure | Tenure | Tenure | Political affiliation | Political affiliation | Head(s) of State |
| 4 | No. | Prime Minister (Birth–Death) | Portrait | Took office | Left office | Time in office | Political affiliation | Political affiliation | Head(s) of State |
| 5 | 1 | Mamane Oumarou (1946–) | - | 24 January 1983 | 14 November 1983 | 294 days | - | Independent | Kountché |
| 6 | 2 | Hamid Algabid (1941–) | - | 14 November 1983 | 15 July 1988 | 4 years, 244 days | - | Independent | Kountché Saibou |
| 7 | (1) | Mamane Oumarou (1946–) | - | 15 July 1988 | 20 December 1989 | 1 year, 158 days | - | MNSD–Nassara | Saibou |
| 8 | Post abolished (20 December 1989 – 2 March 1990) | Post abolished (20 December 1989 – 2 March 1990) | Post abolished (20 December 1989 – 2 March 1990) | Post abolished (20 December 1989 – 2 March 1990) | Post abolished (20 December 1989 – 2 March 1990) | Post abolished (20 December 1989 – 2 March 1990) | Post abolished (20 December 1989 – 2 March 1990) | Post abolished (20 December 1989 – 2 March 1990) | Post abolished (20 December 1989 – 2 March 1990) |
| 9 | 3 | Aliou Mahamidou (1936–1996) | - | 2 March 1990 | 27 October 1991 | 1 year, 239 days | - | MNSD–Nassara | Saibou |
| 10 | 4 | Amadou Cheiffou (1942–) | - | 27 October 1991 | 17 April 1993 | 1 year, 172 days | - | Independent | Saibou Ousmane |
| 11 | 5 | Mahamadou Issoufou (1951–) | - | 17 April 1993 | 28 September 1994 | 1 year, 164 days | - | PNDS–Tarayya | Ousmane |
| 12 | 6 | Souley Abdoulaye (1965–) | - | 28 September 1994 | 8 February 1995 | 133 days | - | CSD–Rahama | Ousmane |
| 13 | 7 | Amadou Cissé (1948–) | - | 8 February 1995 | 21 February 1995 | 13 days | - | Independent | Ousmane |
| 14 | 8 | Hama Amadou (1949–) | - | 21 February 1995 | 27 January 1996 (deposed.) | 340 days | - | MNSD–Nassara | Ousmane |
| 15 | Post vacant (27 – 30 January 1996) | Post vacant (27 – 30 January 1996) | Post vacant (27 – 30 January 1996) | Post vacant (27 – 30 January 1996) | Post vacant (27 – 30 January 1996) | Post vacant (27 – 30 January 1996) | Post vacant (27 – 30 January 1996) | Post vacant (27 – 30 January 1996) | Post vacant (27 – 30 January 1996) |
| 16 | 9 | Boukary Adji (1939–2018) | - | 30 January 1996 | 21 December 1996 | 326 days | - | Independent | Maïnassara |
| 17 | (7) | Amadou Cissé (1948–) | - | 21 December 1996 | 27 November 1997 | 341 days | - | Independent | Maïnassara |
| 18 | 10 | Ibrahim Hassane Mayaki (1951–) | - | 27 November 1997 | 1 January 2000 | 2 years, 35 days | - | RDP–Jama'a | Maïnassara Wanké Tandja |
| 19 | (8) | Hama Amadou (1949–) | - | 1 January 2000 | 7 June 2007 | 7 years, 157 days | - | MNSD–Nassara | Tandja |
| 20 | 11 | Seyni Oumarou (1951–) | - | 7 June 2007 | 23 September 2009 | 2 years, 108 days | - | MNSD–Nassara | Tandja |
| 21 | – | Albadé Abouba | - | 23 September 2009 | 2 October 2009 | 9 days | - | MNSD–Nassara | Tandja |
| 22 | 12 | Ali Badjo Gamatié | - | 2 October 2009 | 18 February 2010 (deposed.) | 139 days | - | MNSD–Nassara | Tandja |
| 23 | Post vacant (18 – 23 February 2010) | Post vacant (18 – 23 February 2010) | Post vacant (18 – 23 February 2010) | Post vacant (18 – 23 February 2010) | Post vacant (18 – 23 February 2010) | Post vacant (18 – 23 February 2010) | Post vacant (18 – 23 February 2010) | Post vacant (18 – 23 February 2010) | Post vacant (18 – 23 February 2010) |
| 24 | 13 | Mahamadou Danda (1951–) | - | 23 February 2010 | 7 April 2011 | 1 year, 43 days | - | Independent | Djibo |
| 25 | 14 | Brigi Rafini (1953–) | - | 7 April 2011 | Incumbent | 8 years, 19 days | - | PNDS–Tarayya | Issoufou |

Question: How many periods did Mamane Oumarou (born 1946) serve as Prime Minister of Niger, and what decade were those periods in?
Answer: Mamane Oumarou (born 1946) served two periods as Prime Minister of Niger during the 1980s.