| 年份 | 年末总人口 |
|---|---|
| 1949 | 608.1 |
| 1950 | |
| 1951 | |
| 1952 | 715.9 |
| 1953 | |
| 1954 | |
| 1955 | |
| 1956 | |
| 1957 | 936 |
| 1958 | |
| 1959 | |
| 1960 | |
| 1961 | |
| 1962 | |
| 1963 | |
| 1964 | |
| 1965 | 1296.4 |
| 1966 | |
| 1967 | |
| 1968 | |
| 1969 | |
| 1970 | 1491 |
| 1971 | |
| 1972 | |
| 1973 | |
| 1974 | |
| 1975 | 1737.9 |
| 1976 | |
| 1977 | |
| 1978 | 1823.4 |
| 1979 | |
| 1980 | 1876.5 |
| 1981 | 1902.9 |
| 1982 | 1941.6 |
| 1983 | 1969.8 |
| 1984 | 1993.1 |
| 1985 | 2015.9 |
| 1986 | 2040.7 |
| 1987 | 2066.4 |
| 1988 | 2093.9 |
| 1989 | 2122.2 |
| 1990 | 2162.6 |
| 1991 | 2183.9 |
| 1992 | 2206.6 |
| 1993 | 2232.4 |
| 1994 | 2260.5 |
| 1995 | 2284.4 |
| 1996 | 2306.6 |
| 1997 | 2325.7 |
| 1998 | 2344.9 |
| 1999 | 2361.9 |
| 2000 | 2372.4 |
| 2001 | 2381.4 |
| 2002 | 2384.1 |
| 2003 | 2385.8 |
| 2004 | 2392.7 |
| 2005 | 2403.1 |
| 2006 | 2415.1 |
| 2007 | 2428.8 |
| 2008 | 2444.3 |
| 2009 | 2458.2 |
| 2010 | 2472.2 |
| 2011 | 2470.1 |
| 2012 | 2463.9 |
| 2013 | 2455.3 |
| 2014 | 2449.1 |
| 2015 | 2440.4 |
| 2016 | 2436.2 |
| 2017 | 2433.4 |
| 2018 | 2422.2 |
| 2019 | 2415.3 |
| 2020 | 2402.8 |
| 2021 | 2400 |
2021年，内蒙古年末常住人口为2400万人。
