Population history
Population by year
| Year | Total | Male | Female | Density |
|---|---|---|---|---|
| 1950 | 5,488,000 | 2,793,000 | 2,695,000 | 5.99 |
| 1951 | 5,732,000 | 2,914,000 | 2,818,000 | 6.26 |
| 1952 | 5,981,000 | 3,037,000 | 2,944,000 | 6.53 |
| 1953 | 6,234,000 | 3,162,000 | 3,071,000 | 6.80 |
| 1954 | 6,492,000 | 3,290,000 | 3,201,000 | 7.09 |
| 1955 | 6,755,000 | 3,421,000 | 3,334,000 | 7.37 |
| 1956 | 7,024,000 | 3,554,000 | 3,469,000 | 7.67 |
| 1957 | 7,299,000 | 3,691,000 | 3,607,000 | 7.97 |
| 1958 | 7,581,000 | 3,832,000 | 3,749,000 | 8.27 |
| 1959 | 7,869,000 | 3,975,000 | 3,893,000 | 8.59 |
| 1960 | 8,160,000 | 4,120,000 | 4,039,000 | 8.90 |
| 1961 | 8,455,000 | 4,267,000 | 4,187,000 | 9.23 |
| 1962 | 8,756,000 | 4,418,000 | 4,338,000 | 9.56 |
| 1963 | 9,064,000 | 4,571,000 | 4,492,000 | 9.89 |
| 1964 | 9,377,000 | 4,728,000 | 4,649,000 | 10.23 |
| 1965 | 9,697,000 | 4,888,000 | 4,809,000 | 10.58 |
| 1966 | 10,024,000 | 5,051,000 | 4,973,000 | 10.94 |
| 1967 | 10,358,000 | 5,218,000 | 5,140,000 | 11.30 |
| 1968 | 10,697,000 | 5,387,000 | 5,310,000 | 11.67 |
| 1969 | 11,040,000 | 5,558,000 | 5,481,000 | 12.05 |
| 1970 | 11,387,000 | 5,732,000 | 5,655,000 | 12.43 |
| 1971 | 11,741,000 | 5,908,000 | 5,832,000 | 12.81 |
| 1972 | 12,099,000 | 6,087,000 | 6,011,000 | 13.20 |
| 1973 | 12,463,000 | 6,269,000 | 6,193,000 | 13.60 |
| 1974 | 12,835,000 | 6,455,000 | 6,380,000 | 14.01 |
| 1975 | 13,215,000 | 6,644,000 | 6,570,000 | 14.42 |
| 1976 | 13,606,000 | 6,839,000 | 6,766,000 | 14.85 |
| 1977 | 14,006,000 | 7,039,000 | 6,967,000 | 15.28 |
| 1978 | 14,416,000 | 7,243,000 | 7,173,000 | 15.73 |
| 1979 | 14,834,000 | 7,451,000 | 7,383,000 | 16.19 |
| 1980 | 15,258,000 | 7,662,000 | 7,596,000 | 16.65 |
| 1981 | 15,687,000 | 7,875,000 | 7,812,000 | 17.12 |
| 1982 | 16,121,000 | 8,091,000 | 8,030,000 | 17.59 |
| 1983 | 16,562,000 | 8,309,000 | 8,252,000 | 18.07 |
| 1984 | 17,008,000 | 8,532,000 | 8,476,000 | 18.56 |
| 1985 | 17,461,000 | 8,757,000 | 8,703,000 | 19.05 |
| 1986 | 17,923,000 | 8,988,000 | 8,934,000 | 19.56 |
| 1987 | 18,394,000 | 9,224,000 | 9,170,000 | 20.07 |
| 1988 | 18,871,000 | 9,461,000 | 9,409,000 | 20.59 |
| 1989 | 19,348,000 | 9,700,000 | 9,648,000 | 21.11 |
| 1990 | 19,827,000 | 9,939,000 | 9,887,000 | 21.64 |
| 1991 | 20,304,000 | 10,178,000 | 10,125,000 | 22.16 |
| 1992 | 20,780,000 | 10,417,000 | 10,363,000 | 22.68 |
| 1993 | 21,254,000 | 10,653,000 | 10,600,000 | 23.19 |
| 1994 | 21,725,000 | 10,888,000 | 10,837,000 | 23.71 |
| 1995 | 22,193,000 | 11,121,000 | 11,072,000 | 24.22 |
| 1996 | 22,662,000 | 11,354,000 | 11,307,000 | 24.73 |
| 1997 | 23,131,000 | 11,589,000 | 11,542,000 | 25.24 |
| 1998 | 23,601,000 | 11,823,000 | 11,777,000 | 25.75 |
| 1999 | 24,066,000 | 12,054,000 | 12,011,000 | 26.26 |
| 2000 | 24,526,000 | 12,282,000 | 12,244,000 | 26.76 |
| 2001 | 24,979,000 | 12,504,000 | 12,475,000 | 27.26 |
| 2002 | 25,435,000 | 12,727,000 | 12,708,000 | 27.76 |
| 2003 | 25,892,000 | 12,951,000 | 12,941,000 | 28.25 |
| 2004 | 26,340,000 | 13,170,000 | 13,170,000 | 28.74 |
| 2005 | 26,785,000 | 13,388,000 | 13,397,000 | 29.23 |
| 2006 | 27,224,000 | 13,601,000 | 13,622,000 | 29.71 |
| 2007 | 27,649,000 | 13,807,000 | 13,842,000 | 30.17 |
| 2008 | 28,053,000 | 14,000,000 | 14,053,000 | 30.61 |
| 2009 | 28,438,000 | 14,182,000 | 14,255,000 | 31.03 |
| 2010 | 28,813,000 | 14,361,000 | 14,451,000 | 31.44 |
| 2011 | 29,185,000 | 14,538,000 | 14,646,000 | 31.85 |
| 2012 | 29,553,000 | 14,712,000 | 14,840,000 | 32.25 |
| 2013 | 29,912,000 | 14,882,000 | 15,029,000 | 32.64 |
| 2014 | 30,254,000 | 15,044,000 | 15,209,000 | 33.01 |
| 2015 | 30,573,000 | 15,195,000 | 15,378,000 | 33.36 |
| 2016 | 30,765,000 | 15,280,000 | 15,485,000 | 33.57 |
| 2017 | 30,565,000 | 15,168,000 | 15,396,000 | 33.35 |
| 2018 | 29,807,000 | 14,780,000 | 15,026,000 | 32.53 |
| 2019 | 28,938,000 | 14,338,000 | 14,599,000 | 31.58 |
| 2020 | 28,444,000 | 14,083,000 | 14,360,000 | 31.04 |
| 2021 | 28,237,000 | 13,972,000 | 14,265,000 | 30.81 |
| 2022 | 28,213,000 | 13,952,000 | 14,260,000 | 30.79 |
| 2023 | 28,300,000 | 13,988,000 | 14,312,000 | 30.88 |
| 2024 | 28,405,000 | 14,033,000 | 14,371,000 | 31.00 |
| 2025 | 28,516,000 | 14,082,000 | 14,433,000 | 31.12 |