Population history
Population by year
| Year | Total | Male | Female | Density |
|---|---|---|---|---|
| 1950 | 3,956,000 | 2,033,000 | 1,922,000 | 6.80 |
| 1951 | 4,057,000 | 2,083,000 | 1,973,000 | 6.97 |
| 1952 | 4,160,000 | 2,135,000 | 2,025,000 | 7.15 |
| 1953 | 4,267,000 | 2,187,000 | 2,079,000 | 7.34 |
| 1954 | 4,377,000 | 2,242,000 | 2,135,000 | 7.52 |
| 1955 | 4,490,000 | 2,297,000 | 2,192,000 | 7.72 |
| 1956 | 4,606,000 | 2,354,000 | 2,251,000 | 7.92 |
| 1957 | 4,726,000 | 2,414,000 | 2,312,000 | 8.12 |
| 1958 | 4,850,000 | 2,475,000 | 2,375,000 | 8.34 |
| 1959 | 4,979,000 | 2,538,000 | 2,440,000 | 8.56 |
| 1960 | 5,111,000 | 2,603,000 | 2,507,000 | 8.79 |
| 1961 | 5,246,000 | 2,670,000 | 2,575,000 | 9.02 |
| 1962 | 5,384,000 | 2,738,000 | 2,645,000 | 9.25 |
| 1963 | 5,525,000 | 2,808,000 | 2,716,000 | 9.50 |
| 1964 | 5,669,000 | 2,880,000 | 2,789,000 | 9.75 |
| 1965 | 5,819,000 | 2,954,000 | 2,864,000 | 10.00 |
| 1966 | 5,974,000 | 3,031,000 | 2,943,000 | 10.27 |
| 1967 | 6,136,000 | 3,111,000 | 3,024,000 | 10.55 |
| 1968 | 6,306,000 | 3,195,000 | 3,110,000 | 10.84 |
| 1969 | 6,484,000 | 3,284,000 | 3,200,000 | 11.15 |
| 1970 | 6,672,000 | 3,377,000 | 3,294,000 | 11.47 |
| 1971 | 6,868,000 | 3,475,000 | 3,393,000 | 11.81 |
| 1972 | 7,074,000 | 3,578,000 | 3,496,000 | 12.16 |
| 1973 | 7,288,000 | 3,684,000 | 3,603,000 | 12.53 |
| 1974 | 7,509,000 | 3,795,000 | 3,714,000 | 12.91 |
| 1975 | 7,739,000 | 3,909,000 | 3,829,000 | 13.30 |
| 1976 | 7,976,000 | 4,028,000 | 3,948,000 | 13.71 |
| 1977 | 8,222,000 | 4,150,000 | 4,071,000 | 14.13 |
| 1978 | 8,475,000 | 4,277,000 | 4,198,000 | 14.57 |
| 1979 | 8,737,000 | 4,407,000 | 4,329,000 | 15.02 |
| 1980 | 9,006,000 | 4,541,000 | 4,464,000 | 15.48 |
| 1981 | 9,279,000 | 4,677,000 | 4,601,000 | 15.95 |
| 1982 | 9,557,000 | 4,815,000 | 4,741,000 | 16.43 |
| 1983 | 9,843,000 | 4,957,000 | 4,885,000 | 16.92 |
| 1984 | 10,134,000 | 5,103,000 | 5,031,000 | 17.42 |
| 1985 | 10,433,000 | 5,251,000 | 5,181,000 | 17.93 |
| 1986 | 10,736,000 | 5,403,000 | 5,333,000 | 18.46 |
| 1987 | 11,047,000 | 5,557,000 | 5,489,000 | 18.99 |
| 1988 | 11,369,000 | 5,717,000 | 5,652,000 | 19.54 |
| 1989 | 11,704,000 | 5,883,000 | 5,821,000 | 20.12 |
| 1990 | 12,055,000 | 6,057,000 | 5,998,000 | 20.72 |
| 1991 | 12,421,000 | 6,239,000 | 6,182,000 | 21.35 |
| 1992 | 12,800,000 | 6,427,000 | 6,372,000 | 22.00 |
| 1993 | 13,197,000 | 6,625,000 | 6,572,000 | 22.68 |
| 1994 | 13,613,000 | 6,832,000 | 6,781,000 | 23.40 |
| 1995 | 14,051,000 | 7,050,000 | 7,001,000 | 24.15 |
| 1996 | 14,510,000 | 7,279,000 | 7,231,000 | 24.94 |
| 1997 | 14,990,000 | 7,518,000 | 7,472,000 | 25.77 |
| 1998 | 15,489,000 | 7,768,000 | 7,721,000 | 26.62 |
| 1999 | 16,000,000 | 8,024,000 | 7,976,000 | 27.50 |
| 2000 | 16,516,000 | 8,282,000 | 8,233,000 | 28.39 |
| 2001 | 17,032,000 | 8,542,000 | 8,490,000 | 29.28 |
| 2002 | 17,549,000 | 8,801,000 | 8,748,000 | 30.17 |
| 2003 | 18,071,000 | 9,063,000 | 9,008,000 | 31.06 |
| 2004 | 18,606,000 | 9,331,000 | 9,274,000 | 31.98 |
| 2005 | 19,159,000 | 9,609,000 | 9,550,000 | 32.93 |
| 2006 | 19,730,000 | 9,895,000 | 9,835,000 | 33.91 |
| 2007 | 20,318,000 | 10,190,000 | 10,128,000 | 34.92 |
| 2008 | 20,923,000 | 10,493,000 | 10,430,000 | 35.96 |
| 2009 | 21,547,000 | 10,806,000 | 10,741,000 | 37.04 |
| 2010 | 22,183,000 | 11,125,000 | 11,057,000 | 38.13 |
| 2011 | 22,822,000 | 11,446,000 | 11,376,000 | 39.23 |
| 2012 | 23,462,000 | 11,767,000 | 11,695,000 | 40.33 |
| 2013 | 24,109,000 | 12,091,000 | 12,017,000 | 41.44 |
| 2014 | 24,764,000 | 12,420,000 | 12,343,000 | 42.57 |
| 2015 | 25,426,000 | 12,753,000 | 12,673,000 | 43.70 |
| 2016 | 26,099,000 | 13,091,000 | 13,008,000 | 44.86 |
| 2017 | 26,788,000 | 13,437,000 | 13,351,000 | 46.04 |
| 2018 | 27,494,000 | 13,792,000 | 13,702,000 | 47.26 |
| 2019 | 28,219,000 | 14,156,000 | 14,063,000 | 48.50 |
| 2020 | 28,953,000 | 14,523,000 | 14,429,000 | 49.77 |
| 2021 | 29,691,000 | 14,893,000 | 14,797,000 | 51.03 |
| 2022 | 30,437,000 | 15,266,000 | 15,170,000 | 52.32 |
| 2023 | 31,195,000 | 15,646,000 | 15,549,000 | 53.62 |
| 2024 | 31,964,000 | 16,032,000 | 15,932,000 | 54.94 |
| 2025 | 32,740,000 | 16,421,000 | 16,318,000 | 56.28 |