🇲🇳 Mongolia
Parliamentary systemElectoral democracy
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Uchral Nyam-Osor
Prime Minister · 154 days in office
Tenure records
Longest-serving
Yumjaagiin Tsedenbal
8,172 days
Shortest-serving
Nyam-Osoryn Tuyaa
8 days
Average tenure
1,097 days
Uchral Nyam-Osor: 86% below average
Recent prime ministers by days in office
Is a leader's tenure getting longer or shorter in Mongolia?
Across 28 completed terms, the average prime minister of Mongolia has served 1,097 days (about 3.0 years). Terms are getting shorter: the last five completed terms averaged just 834 days. The last leader to beat the average was Luvsannamsrain Oyun-Erdene, who left office in 2025.
One completed term Average tenure per decade
All prime ministers of Mongolia
| # | Name | Took office | Left office | Days |
|---|---|---|---|---|
| 29 |  Uchral Nyam-Osor | Mar 30, 2026 | Incumbent | 154 |
| 28 |  Gombojavyn Zandanshatar | Jun 13, 2025 | Mar 30, 2026 | 290 |
| 27 |  Luvsannamsrain Oyun-Erdene | Jan 27, 2021 | Jun 13, 2025 | 1,598 |
| 26 |  Khurelsukh Ukhnaa | Oct 4, 2017 | Jan 21, 2021 | 1,205 |
| 25 |  Jargaltulga Erdenebat | Jun 8, 2016 | Oct 4, 2017 | 483 |
| 24 |  Chimediin Saikhanbileg | Nov 21, 2014 | Jul 7, 2016 | 594 |
| 23 |  Dendev Terbishdagva | Nov 6, 2014 | Nov 20, 2014 | 14 |
| 22 | Dendev Terbishdagva | Oct 5, 2014 | Nov 21, 2014 | 47 |
| 21 |  Norovyn Altankhuyag | Aug 10, 2012 | Nov 4, 2014 | 816 |
| 20 |  Sanjaagiin Bayar | Oct 29, 2009 | Aug 10, 2012 | 1,016 |
| 19 |  Sükhbaataryn Batbold | Oct 29, 2009 | Aug 10, 2012 | 1,016 |
| 18 |  Miyeegombyn Enkhbold | Jan 25, 2006 | Nov 22, 2007 | 666 |
| 17 |  Tsakhiagiin Elbegdorj | Aug 20, 2004 | Jan 13, 2006 | 511 |
| 16 |  Nambaryn Enkhbayar | Jul 26, 2000 | Aug 20, 2004 | 1,486 |
| 15 |  Rinchinnyamyn Amarjargal | Jul 30, 1999 | Jul 26, 2000 | 362 |
| 14 | Nyam-Osoryn Tuyaa | Jul 22, 1999 | Jul 30, 1999 | 8 |
| 13 | Janlavyn Narantsatsralt | Dec 9, 1998 | Jul 22, 1999 | 225 |
| 12 | Tsakhiagiin Elbegdorj | Apr 23, 1998 | Dec 9, 1998 | 230 |
| 11 | Mendsaikhany Enkhsaikhan | Jul 19, 1996 | Apr 23, 1998 | 643 |
| 10 | Puntsagiin Jasrai | Jul 21, 1992 | Jul 19, 1996 | 1,459 |
| 9 |  Dashiin Byambasüren | Sep 11, 1990 | Jul 21, 1992 | 679 |
| 8 |  Dumaagiin Sodnom | Dec 12, 1984 | Mar 21, 1990 | 1,925 |
| 7 | Yumjaagiin Tsedenbal | Jan 26, 1952 | Jun 11, 1974 | 8,172 |
| 6 |  Khorloogiin Choibalsan | Mar 24, 1939 | Jan 26, 1952 | 4,691 |
| 5 |  Peljidiin Genden | Jul 2, 1932 | Mar 22, 1936 | 1,359 |
| 4 |  Dogsomyn Bodoo | Apr 1, 1921 | Aug 31, 1922 | 517 |
| 3 |  Dambyn Chagdarjav | Mar 1, 1921 | Apr 1, 1921 | 31 |
| 2 |  Khatanbaatar Magsarjav | Feb 15, 1921 | Mar 13, 1921 | 26 |
| 1 |  Gonchigjalzangiin Badamdorj | Apr 1, 1919 | Jan 1, 1921 | 641 |
Officeholder history via Wikidata. Multiple rows for one person indicate separate terms.
Frequently asked questions
- Who is the Prime Minister of Mongolia?
- Uchral Nyam-Osor has been Prime Minister of Mongolia since Mar 30, 2026.
- Who is the longest-serving Prime Minister of Mongolia?
- Yumjaagiin Tsedenbal, with 8,172 days in office.
- Are leaders serving longer or shorter terms in Mongolia?
- Across 28 completed terms, the average prime minister of Mongolia has served 1,097 days (about 3.0 years). Terms are getting shorter: the last five completed terms averaged just 834 days. The last leader to beat the average was Luvsannamsrain Oyun-Erdene, who left office in 2025.