This is a list of current prime ministers of the world's sovereign states by the date they took office, from the earliest to the latest.
| Prime Minister | Title | State's political system | Date of assumption | Current length of term |
|---|---|---|---|---|
| Hassanal Bolkiah | | Absolute monarchy | 1 January 1984 | 41 years, 320 days |
| Ralph Gonsalves | | Constitutional monarchy | 29 March 2001 | 24 years, 233 days |
| Roosevelt Skerrit | | Parliamentary republic | 8 January 2004 | 21 years, 313 days |
| Mohammed bin Rashid Al Maktoum | | Constitutional monarchy | 11 February 2006 | 19 years, 279 days |
| Viktor Orbán | | Parliamentary republic | 29 May 2010 | 15 years, 172 days |
| Abdoulkader Kamil Mohamed | | Presidential republic | 1 April 2013 | 12 years, 230 days |
| Edi Rama | | Parliamentary republic | 13 September 2013 | 12 years, 65 days |
| Kokhir Rasulzoda | | Presidential republic | 23 November 2013 | 11 years, 359 days |
| Narendra Modi | | Parliamentary republic | 26 May 2014 | 11 years, 175 days |
| Gaston Browne | | Constitutional monarchy | 13 June 2014 | 11 years, 157 days |
| Andrew Holness | | Constitutional monarchy | 3 March 2016 | 9 years, 259 days |
| Ulisses Correia e Silva | | Semi-presidential republic | 22 April 2016 | 9 years, 209 days |
| Andrej Plenković | | Parliamentary republic | 19 October 2016 | 9 years, 29 days |
| Abdulla Aripov | | Presidential republic | 14 December 2016 | 8 years, 338 days |
| Abiy Ahmed | | Parliamentary republic | 2 April 2018 | 7 years, 229 days |
| Nikol Pashinyan | | Parliamentary republic | 8 May 2018 | 7 years, 193 days |
| Mia Mottley | | Parliamentary republic | 25 May 2018 | 7 years, 176 days |
| Pedro Sánchez | | Constitutional monarchy | 2 June 2018 | 7 years, 168 days |
| Moustafa Madbouly | | Semi-presidential republic | 7 June 2018 | 7 years, 163 days |
| Joseph Ngute | | Presidential republic | 4 January 2019 | 6 years, 317 days |
| Xavier Espot Zamora | | Constitutional monarchy | 16 May 2019 | 6 years, 185 days |
| James Marape | | Constitutional monarchy | 30 May 2019 | 6 years, 171 days |
| Mette Frederiksen | | Constitutional monarchy | 27 June 2019 [1] | 6 years, 143 days |
| Ali Asadov | | Semi-presidential republic | 8 October 2019 | 6 years, 40 days |
| Manuel Marrero Cruz | | One-party state | 21 December 2019 | 5 years, 331 days |
| Luca Beccari | | Parliamentary republic | 7 January 2020 | 5 years, 314 days |
| Haitham bin Tariq | | Absolute monarchy | 11 January 2020 | 5 years, 310 days |
| Robert Abela | | Parliamentary republic | 13 January 2020 | 5 years, 308 days |
| Mikhail Mishustin | | Semi-presidential republic | 16 January 2020 | 5 years, 305 days |
| Mark Phillips | | Parliamentary republic | 2 August 2020 | 5 years, 107 days |
| Salman bin Hamad Al Khalifa | | Semi-constitutional monarchy | 11 November 2020 | 5 years, 6 days |
| Johnny Briceño | | Constitutional monarchy | 12 November 2020 | 5 years, 5 days |
| Abdul Hamid Dbeibeh | | Provisional government | 15 March 2021 | 4 years, 247 days |
| Phạm Minh Chính | | One-party state | 5 April 2021 | 4 years, 226 days |
| Anatole Collinet Makosso | | Semi-presidential republic | 12 May 2021 | 4 years, 189 days |
| Robinah Nabbanja | | Presidential republic | 21 June 2021 | 4 years, 149 days |
| Phillip Pierre | | Constitutional monarchy | 28 July 2021 | 4 years, 112 days |
| Hasan Akhund | | Theocracy | 7 September 2021 | 4 years, 71 days |
| Philip Davis | | Constitutional monarchy | 17 September 2021 | 4 years, 61 days |
| Aziz Akhannouch | | Semi-constitutional monarchy | 7 October 2021 | 4 years, 41 days |
| Jonas Gahr Støre | | Constitutional monarchy | 14 October 2021 | 4 years, 34 days |
| Petr Fiala | | Parliamentary republic | 28 November 2021 | 3 years, 354 days |
| Félix Moloua | | Presidential republic | 7 February 2022 | 3 years, 283 days |
| Anthony Albanese | | Constitutional monarchy | 23 May 2022 | 3 years, 178 days |
| Robert Golob | | Parliamentary republic | 1 June 2022 | 3 years, 169 days |
| Dickon Mitchell | | Constitutional monarchy | 24 June 2022 | 3 years, 146 days |
| Hamza Abdi Barre | | Parliamentary republic | 26 June 2022 | 3 years, 144 days |
| Terrance Drew | | Constitutional monarchy | 6 August 2022 | 3 years, 103 days |
| Mohammed bin Salman | | Absolute monarchy | 27 September 2022 | 3 years, 51 days |
| Ulf Kristersson | | Constitutional monarchy | 18 October 2022 | 3 years, 30 days |
| Giorgia Meloni | | Parliamentary republic | 22 October 2022 | 3 years, 26 days |
| Musalia Mudavadi | | Presidential republic | 27 October 2022 | 3 years, 21 days |
| Mohammed Shia' al-Sudani | | Parliamentary republic | 27 October 2022 | 3 years, 21 days |
| Sam Matekane | | Constitutional monarchy | 28 October 2022 | 3 years, 20 days |
| Anwar Ibrahim | | Constitutional monarchy | 24 November 2022 | 2 years, 358 days |
| Sitiveni Rabuka | | Parliamentary republic | 24 December 2022 | 2 years, 328 days |
| Benjamin Netanyahu | | Parliamentary republic | 29 December 2022 | 2 years, 323 days |
| Sonexay Siphandone | | One-party state | 30 December 2022 | 2 years, 322 days |
| Borjana Krišto | | Parliamentary republic | 25 January 2023 | 2 years, 296 days |
| Mohammed bin Abdulrahman bin Jassim Al Thani | | Semi-constitutional monarchy | 7 March 2023 | 2 years, 255 days |
| Li Qiang | | One-party state | 11 March 2023 | 2 years, 251 days |
| Osama Hammad | | Provisional government | 16 May 2023 [2] | 2 years, 185 days |
| Petteri Orpo | | Parliamentary republic | 20 June 2023 | 2 years, 150 days |
| Kyriakos Mitsotakis | | Parliamentary republic | 26 June 2023 | 2 years, 144 days |
| Xanana Gusmão | | Semi-presidential republic | 1 July 2023 | 2 years, 139 days |
| David Moinina Sengeh | | Presidential republic | 10 July 2023 | 2 years, 130 days |
| Ali Lamine Zeine | | Provisional government | 8 August 2023 | 2 years, 101 days |
| Hun Manet | | Constitutional monarchy | 22 August 2023 | 2 years, 87 days |
| Evika Siliņa | | Parliamentary republic | 15 September 2023 | 2 years, 63 days |
| Robert Beugré Mambé | | Presidential republic | 17 October 2023 | 2 years, 31 days |
| Robert Fico | | Parliamentary republic | 25 October 2023 | 2 years, 23 days |
| Milojko Spajić | | Parliamentary republic | 31 October 2023 | 2 years, 17 days |
| Russell Dlamini | | Absolute monarchy | 3 November 2023 | 2 years, 14 days |
| Luc Frieden | | Constitutional monarchy | 17 November 2023 | 2 years, 0 days |
| Christopher Luxon | | Constitutional monarchy | 27 November 2023 | 1 year, 355 days |
| Donald Tusk | | Parliamentary republic | 13 December 2023 | 1 year, 339 days |
| Tshering Tobgay | | Semi-constitutional monarchy | 28 January 2024 | 1 year, 293 days |
| Oljas Bektenov | | Presidential republic | 6 February 2024 | 1 year, 284 days |
| Irakli Kobakhidze | | Parliamentary republic | 8 February 2024 | 1 year, 282 days |
| Feleti Teo | | Parliamentary republic | 26 February 2024 | 1 year, 264 days |
| Bah Oury | | Provisional government | 27 February 2024 | 1 year, 263 days |
| Shehbaz Sharif | | Parliamentary republic | 4 March 2024 | 1 year, 258 days |
| Mohammad Mustafa | | Semi-presidential republic | 14 March 2024 | 1 year, 248 days |
| Luís Montenegro | | Semi-presidential republic | 2 April 2024 | 1 year, 229 days |
| Ousmane Sonko | | Presidential republic | 3 April 2024 | 1 year, 228 days |
| Jeremiah Manele | | Parliamentary republic | 2 May 2024 | 1 year, 199 days |
| Ahmad Al-Abdullah Al-Sabah | | Semi-constitutional monarchy | 15 May 2024 | 1 year, 186 days |
| Lawrence Wong | | Parliamentary republic | 15 May 2024 | 1 year, 186 days |
| Cho Jung-tai | | Semi-presidential republic | 20 May 2024 | 1 year, 181 days |
| Allamaye Halina | | Semi-presidential republic | 23 May 2024 | 1 year, 178 days |
| Guillermo Francos | | Presidential republic | 27 May 2024 | 1 year, 174 days |
| Judith Tuluka | | Semi-presidential republic | 12 June 2024 | 1 year, 158 days |
| Hristijan Mickoski | | Parliamentary republic | 23 June 2024 | 1 year, 147 days |
| Dick Schoof | | Constitutional monarchy | 2 July 2024 | 1 year, 138 days |
| Keir Starmer | | Constitutional monarchy | 5 July 2024 | 1 year, 135 days |
| Kristen Michal | | Parliamentary republic | 23 July 2024 | 1 year, 117 days |
| Mokhtar Ould Djay | | Semi-presidential republic | 2 August 2024 | 1 year, 107 days |
| Muhammad Yunus | | Parliamentary republic | 8 August 2024 | 1 year, 101 days |
| Manuel Osa Nsue Nsua | | Presidential republic | 17 August 2024 | 1 year, 92 days |
| Jafar Hassan | | Semi-constitutional monarchy | 15 September 2024 | 1 year, 63 days |
| Harini Amarasuriya | | Semi-presidential republic | 24 September 2024 | 1 year, 54 days |
| Alix Didier Fils-Aimé | | Semi-presidential republic | 10 November 2024 | 1 year, 7 days |
| Navin Ramgoolam | | Parliamentary republic | 13 November 2024 | 1 year, 4 days |
| Abdoulaye Maïga | | Presidential republic | 21 November 2024 | 361 days |
| Jean Emmanuel Ouédraogo | | Provisional government | 7 December 2024 | 345 days |
| Adylbek Kasymaliev | | Presidential republic | 16 December 2024 | 336 days |
| Kristrún Frostadóttir | | Parliamentary republic | 21 December 2024 | 331 days |
| Pak Thae-song | | One-party state | 29 December 2024 | 323 days |
| Américo Ramos | | Semi-presidential republic | 14 January 2025 | 307 days |
| Maria Benvinda Levy | | Semi-presidential republic | 15 January 2025 | 306 days |
| Rosen Zhelyazkov | | Parliamentary republic | 16 January 2025 | 305 days |
| ʻAisake Eke | | Semi-constitutional monarchy | 22 January 2025 | 299 days |
| Micheál Martin | | Parliamentary republic | 23 January 2025 | 298 days |
| Bart De Wever | | Constitutional monarchy | 3 February 2025 | 287 days |
| Nawaf Salam | | Parliamentary republic | 8 February 2025 | 282 days |
| Jotham Napat | | Parliamentary republic | 11 February 2025 | 279 days |
| Raffaella Petrini | | Absolute monarchy | 1 March 2025 | 261 days |
| Christian Stocker | | Parliamentary republic | 3 March 2025 | 259 days |
| Alexander Turchin | | Presidential republic | 10 March 2025 | 252 days |
| Mark Carney | | Constitutional monarchy | 14 March 2025 | 248 days |
| Sara Zaafarani | | Semi-presidential republic | 21 March 2025 | 241 days |
| Elijah Ngurare | | Semi-presidential republic | 21 March 2025 | 241 days |
| Brigitte Haas | | Semi-constitutional monarchy | 10 April 2025 | 221 days |
| Đuro Macut | | Parliamentary republic | 16 April 2025 | 215 days |
| Kamla Persad-Bissessar | | Parliamentary republic | 1 May 2025 | 200 days |
| Faure Gnassingbé | | Parliamentary republic | 3 May 2025 | 198 days |
| Salem Saleh bin Braik | | Provisional government | 3 May 2025 | 198 days |
| Friedrich Merz | | Parliamentary republic | 6 May 2025 | 195 days |
| Kamil Idris | | Provisional government | 19 May 2025 | 182 days |
| Gombojavyn Zandanshatar | | Semi-presidential republic | 13 June 2025 | 157 days |
| Ilie Bolojan | | Semi-presidential republic | 23 June 2025 | 147 days |
| Kim Min-seok | | Presidential republic | 3 July 2025 | 137 days |
| Yulia Svyrydenko | | Semi-presidential republic | 17 July 2025 | 123 days |
| Christophe Mirmand | | Semi-constitutional monarchy | 21 July 2025 | 119 days |
| Justin Nsengiyumva | | Presidential republic | 25 July 2025 | 115 days |
| Nyo Saw | | Assembly-independent republic | 31 July 2025 | 109 days |
| Nestor Ntahontuye | | Presidential republic | 5 August 2025 | 104 days |
| Braima Camará | | Semi-presidential republic | 7 August 2025 | 102 days |
| Sifi Ghrieb | | Semi-presidential republic | 28 August 2025 | 81 days |
| Anutin Charnvirakul | | Constitutional monarchy | 7 September 2025 | 71 days |
| Sébastien Lecornu | | Semi-presidential republic | 9 September 2025 | 69 days |
| Sushila Karki | | Parliamentary republic | 12 September 2025 | 66 days |
| Laʻauli Leuatea Schmidt | | Parliamentary republic | 16 September 2025 | 62 days |
| Inga Ruginienė | | Semi-presidential republic | 25 September 2025 | 53 days |
| Ernesto Álvarez Miranda | | Presidential republic | 14 October 2025 | 34 days |
| Herintsalama Rajaonarivelo | | Semi-presidential republic | 20 October 2025 | 28 days |
| Sanae Takaichi | | Constitutional monarchy | 21 October 2025 | 27 days |
| Alexandru Munteanu | | Parliamentary republic | 1 November 2025 | 16 days |
| Mwigulu Nchemba | | Presidential republic | 13 November 2025 | 4 days |