| 年份 | 人口总数 |
|---|---|
| 1960 | 349.74 |
| 1961 | 360.25 |
| 1962 | 371.11 |
| 1963 | 382.27 |
| 1964 | 393.70 |
| 1965 | 405.35 |
| 1966 | 417.25 |
| 1967 | 429.43 |
| 1968 | 441.80 |
| 1969 | 454.30 |
| 1970 | 466.97 |
| 1971 | 479.71 |
| 1972 | 492.63 |
| 1973 | 505.94 |
| 1974 | 519.66 |
| 1975 | 533.95 |
| 1976 | 548.87 |
| 1977 | 564.47 |
| 1978 | 581.04 |
| 1979 | 598.72 |
| 1980 | 617.32 |
| 1981 | 636.63 |
| 1982 | 656.44 |
| 1983 | 676.66 |
| 1984 | 697.38 |
| 1985 | 718.76 |
| 1986 | 740.84 |
| 1987 | 763.66 |
| 1988 | 787.23 |
| 1989 | 811.61 |
| 1990 | 837.06 |
| 1991 | 863.46 |
| 1992 | 890.76 |
| 1993 | 919.31 |
| 1994 | 949.33 |
| 1995 | 981.39 |
| 1996 | 1014.99 |
| 1997 | 1049.42 |
| 1998 | 1085.49 |
| 1999 | 1123.15 |
| 2000 | 1162.27 |
| 2001 | 1203.14 |
| 2002 | 1245.65 |
| 2003 | 1290.08 |
| 2004 | 1336.69 |
| 2005 | 1385.52 |
| 2006 | 1436.52 |
| 2007 | 1489.79 |
| 2008 | 1545.52 |
| 2009 | 1603.79 |
| 2010 | 1664.75 |
| 2011 | 1728.31 |
| 2012 | 1795.44 |
| 2013 | 1865.32 |
| 2014 | 1937.20 |
| 2015 | 2012.81 |
| 2016 | 2092.17 |
| 2017 | 2173.79 |
| 2018 | 2257.71 |
| 2019 | 2344.34 |
| 2020 | 2433.36 |
| 2021 | 2525.27 |
2021年,尼日尔人口总数为2525.27万人,比上年增加约92万人。