Countries past their population peak
Countries and areas whose population has already peaked, earliest peak first. Japan peaked in 2010 and China in 2021. 63 countries and areas, based on 2026 figures.
| # | Country / area | Peak year | Then → now |
|---|---|---|---|
| 1 | Montserrat | 1950 | 12,993 |
| 2 | Saint Kitts and Nevis | 1960 | 55,893 |
| 3 | Niue | 1967 | 5,245 |
| 4 | Cook Islands | 1972 | 21,046 |
| 5 | Hungary | 1980 | 10.7 million |
| 6 | Dominica | 1981 | 73,111 |
| 7 | Saint Helena | 1987 | 6,702 |
| 8 | Serbia | 1988 | 7.9 million |
| 9 | Georgia | 1989 | 5.5 million |
| 10 | Bulgaria | 1989 | 9 million |
| 11 | Latvia | 1990 | 2.7 million |
| 12 | Estonia | 1991 | 1.6 million |
| 13 | Croatia | 1991 | 4.8 million |
| 14 | Romania | 1991 | 23 million |
| 15 | Albania | 1992 | 3.3 million |
| 16 | Armenia | 1992 | 3.6 million |
| 17 | Bosnia and Herzegovina | 1992 | 4.5 million |
| 18 | Republic of Moldova | 1992 | 4.5 million |
| 19 | Lithuania | 1992 | 3.7 million |
| 20 | Russian Federation | 1992 | 149.6 million |
| 21 | Ukraine | 1993 | 52.4 million |
| 22 | Belarus | 1994 | 10.2 million |
| 23 | Saint Pierre and Miquelon | 1995 | 6,437 |
| 24 | Kosovo (under UNSC res. 1244) | 1998 | 2.2 million |
| 25 | Guadeloupe | 1999 | 421,484 |
| 26 | Martinique | 1999 | 424,394 |
| 27 | United States Virgin Islands | 2000 | 108,606 |
| 28 | Saint Vincent and the Grenadines | 2001 | 113,572 |
| 29 | Puerto Rico | 2001 | 3.8 million |
| 30 | Northern Mariana Islands | 2001 | 68,547 |
| 31 | American Samoa | 2002 | 57,086 |
| 32 | Wallis and Futuna Islands | 2003 | 15,079 |
| 33 | Greenland | 2005 | 56,971 |
| 34 | Palau | 2005 | 19,902 |
| 35 | North Macedonia | 2006 | 2.1 million |
| 36 | Portugal | 2010 | 10.6 million |
| 37 | Japan | 2010 | 128.1 million |
| 38 | Greece | 2011 | 11.1 million |
| 39 | Marshall Islands | 2011 | 52,070 |
| 40 | Cuba | 2012 | 11.3 million |
| 41 | Isle of Man | 2012 | 84,379 |
| 42 | Italy | 2014 | 60.7 million |
| 43 | Saint Martin (French part) | 2014 | 37,462 |
| 44 | Mauritius | 2015 | 1.3 million |
| 45 | Falkland Islands (Malvinas) | 2018 | 3,521 |
| 46 | Curaçao | 2019 | 194,379 |
| 47 | China, Taiwan Province of China | 2020 | 23.7 million |
| 48 | China, Hong Kong SAR | 2020 | 7.5 million |
| 49 | Uruguay | 2021 | 3.4 million |
| 50 | San Marino | 2021 | 34,816 |
| 51 | Republic of Korea | 2021 | 51.9 million |
| 52 | China | 2021 | 1.43 billion |
| 53 | Thailand | 2022 | 71.7 million |
| 54 | Bermuda | 2022 | 64,761 |
| 55 | Austria | 2023 | 9.1 million |
| 56 | Czechia | 2023 | 10.8 million |
| 57 | Poland | 2023 | 38.8 million |
| 58 | Jamaica | 2024 | 2.8 million |
| 59 | Spain | 2024 | 47.9 million |
| 60 | Slovakia | 2024 | 5.5 million |
| 61 | Slovenia | 2024 | 2.1 million |
| 62 | Germany | 2024 | 84.7 million |
| 63 | Montenegro | 2024 | 639,356 |
Source: UN World Population Prospects 2024 (medium variant).