Cook Islands Population Trend
Population
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| 1950 | 14,693 | 1976 | 18,248 | 2002 | 14,967 |
| 1951 | 15,054 | 1977 | 17,910 | 2003 | 15,027 |
| 1952 | 15,339 | 1978 | 17,849 | 2004 | 15,078 |
| 1953 | 15,608 | 1979 | 17,778 | 2005 | 15,132 |
| 1954 | 15,887 | 1980 | 17,696 | 2006 | 15,206 |
| 1955 | 16,168 | 1981 | 17,605 | 2007 | 15,495 |
| 1956 | 16,433 | 1982 | 17,471 | 2008 | 15,981 |
| 1957 | 16,687 | 1983 | 17,279 | 2009 | 16,475 |
| 1958 | 16,968 | 1984 | 17,062 | 2010 | 16,976 |
| 1959 | 17,292 | 1985 | 16,832 | 2011 | 17,455 |
| 1960 | 17,662 | 1986 | 16,602 | 2012 | 17,661 |
| 1961 | 18,038 | 1987 | 16,578 | 2013 | 17,605 |
| 1962 | 18,284 | 1988 | 16,753 | 2014 | 17,532 |
| 1963 | 18,422 | 1989 | 16,932 | 2015 | 17,446 |
| 1964 | 18,586 | 1990 | 17,120 | 2016 | 17,332 |
| 1965 | 18,779 | 1991 | 17,310 | 2017 | 17,047 |
| 1966 | 19,015 | 1992 | 17,471 | 2018 | 16,596 |
| 1967 | 19,326 | 1993 | 17,592 | 2019 | 16,129 |
| 1968 | 19,693 | 1994 | 17,689 | 2020 | 15,643 |
| 1969 | 20,081 | 1995 | 17,781 | 2021 | 15,182 |
| 1970 | 20,488 | 1996 | 17,855 | 2022 | 14,723 |
| 1971 | 20,869 | 1997 | 17,622 | 2023 | 14,222 |
| 1972 | 20,770 | 1998 | 17,079 | 2024 | 13,729 |
| 1973 | 20,188 | 1999 | 16,483 | 2025 | 13,263 |
| 1974 | 19,558 | 2000 | 15,854 | 2026 | 12,826 |
| 1975 | 18,896 | 2001 | 15,235 |
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