Population history
Population by year
| Year | Total | Male | Female | Density |
|---|---|---|---|---|
| 1950 | 4,551,000 | 2,218,000 | 2,332,000 | 3.65 |
| 1951 | 4,602,000 | 2,252,000 | 2,350,000 | 3.69 |
| 1952 | 4,651,000 | 2,287,000 | 2,364,000 | 3.73 |
| 1953 | 4,706,000 | 2,324,000 | 2,382,000 | 3.78 |
| 1954 | 4,766,000 | 2,364,000 | 2,402,000 | 3.82 |
| 1955 | 4,832,000 | 2,406,000 | 2,426,000 | 3.88 |
| 1956 | 4,904,000 | 2,450,000 | 2,453,000 | 3.93 |
| 1957 | 4,980,000 | 2,497,000 | 2,482,000 | 4.00 |
| 1958 | 5,061,000 | 2,546,000 | 2,514,000 | 4.06 |
| 1959 | 5,145,000 | 2,597,000 | 2,548,000 | 4.13 |
| 1960 | 5,231,000 | 2,649,000 | 2,582,000 | 4.20 |
| 1961 | 5,301,000 | 2,690,000 | 2,610,000 | 4.25 |
| 1962 | 5,354,000 | 2,721,000 | 2,633,000 | 4.30 |
| 1963 | 5,408,000 | 2,752,000 | 2,655,000 | 4.34 |
| 1964 | 5,464,000 | 2,784,000 | 2,679,000 | 4.38 |
| 1965 | 5,521,000 | 2,818,000 | 2,703,000 | 4.43 |
| 1966 | 5,581,000 | 2,852,000 | 2,729,000 | 4.48 |
| 1967 | 5,641,000 | 2,887,000 | 2,754,000 | 4.53 |
| 1968 | 5,702,000 | 2,922,000 | 2,780,000 | 4.57 |
| 1969 | 5,763,000 | 2,958,000 | 2,805,000 | 4.62 |
| 1970 | 5,852,000 | 3,001,000 | 2,850,000 | 4.70 |
| 1971 | 5,991,000 | 3,064,000 | 2,926,000 | 4.81 |
| 1972 | 6,174,000 | 3,149,000 | 3,024,000 | 4.95 |
| 1973 | 6,388,000 | 3,250,000 | 3,138,000 | 5.12 |
| 1974 | 6,613,000 | 3,356,000 | 3,257,000 | 5.31 |
| 1975 | 6,842,000 | 3,464,000 | 3,378,000 | 5.49 |
| 1976 | 7,074,000 | 3,573,000 | 3,501,000 | 5.68 |
| 1977 | 7,317,000 | 3,687,000 | 3,630,000 | 5.87 |
| 1978 | 7,576,000 | 3,810,000 | 3,766,000 | 6.08 |
| 1979 | 7,847,000 | 3,938,000 | 3,908,000 | 6.29 |
| 1980 | 8,133,000 | 4,074,000 | 4,058,000 | 6.52 |
| 1981 | 8,435,000 | 4,219,000 | 4,216,000 | 6.77 |
| 1982 | 8,751,000 | 4,370,000 | 4,381,000 | 7.02 |
| 1983 | 9,082,000 | 4,528,000 | 4,554,000 | 7.29 |
| 1984 | 9,425,000 | 4,691,000 | 4,733,000 | 7.56 |
| 1985 | 9,779,000 | 4,860,000 | 4,918,000 | 7.84 |
| 1986 | 10,139,000 | 5,032,000 | 5,106,000 | 8.13 |
| 1987 | 10,497,000 | 5,202,000 | 5,294,000 | 8.42 |
| 1988 | 10,861,000 | 5,374,000 | 5,486,000 | 8.71 |
| 1989 | 11,238,000 | 5,553,000 | 5,684,000 | 9.02 |
| 1990 | 11,626,000 | 5,738,000 | 5,888,000 | 9.33 |
| 1991 | 12,023,000 | 5,928,000 | 6,095,000 | 9.64 |
| 1992 | 12,423,000 | 6,120,000 | 6,302,000 | 9.97 |
| 1993 | 12,827,000 | 6,311,000 | 6,515,000 | 10.29 |
| 1994 | 13,249,000 | 6,510,000 | 6,738,000 | 10.63 |
| 1995 | 13,699,000 | 6,728,000 | 6,970,000 | 10.99 |
| 1996 | 14,170,000 | 6,962,000 | 7,208,000 | 11.37 |
| 1997 | 14,660,000 | 7,204,000 | 7,455,000 | 11.76 |
| 1998 | 15,159,000 | 7,450,000 | 7,709,000 | 12.16 |
| 1999 | 15,667,000 | 7,697,000 | 7,969,000 | 12.57 |
| 2000 | 16,194,000 | 7,955,000 | 8,239,000 | 12.99 |
| 2001 | 16,747,000 | 8,225,000 | 8,522,000 | 13.43 |
| 2002 | 17,327,000 | 8,509,000 | 8,817,000 | 13.90 |
| 2003 | 17,943,000 | 8,814,000 | 9,128,000 | 14.39 |
| 2004 | 18,600,000 | 9,141,000 | 9,458,000 | 14.92 |
| 2005 | 19,291,000 | 9,486,000 | 9,805,000 | 15.47 |
| 2006 | 20,015,000 | 9,847,000 | 10,167,000 | 16.06 |
| 2007 | 20,778,000 | 10,228,000 | 10,550,000 | 16.67 |
| 2008 | 21,578,000 | 10,627,000 | 10,950,000 | 17.31 |
| 2009 | 22,414,000 | 11,045,000 | 11,369,000 | 17.98 |
| 2010 | 23,294,000 | 11,484,000 | 11,810,000 | 18.69 |
| 2011 | 24,218,000 | 11,945,000 | 12,273,000 | 19.43 |
| 2012 | 25,177,000 | 12,422,000 | 12,754,000 | 20.20 |
| 2013 | 26,165,000 | 12,914,000 | 13,251,000 | 20.99 |
| 2014 | 27,160,000 | 13,409,000 | 13,751,000 | 21.79 |
| 2015 | 28,157,000 | 13,905,000 | 14,252,000 | 22.59 |
| 2016 | 29,183,000 | 14,415,000 | 14,767,000 | 23.41 |
| 2017 | 30,234,000 | 14,938,000 | 15,295,000 | 24.25 |
| 2018 | 31,297,000 | 15,467,000 | 15,829,000 | 25.10 |
| 2019 | 32,375,000 | 16,004,000 | 16,370,000 | 25.97 |
| 2020 | 33,451,000 | 16,539,000 | 16,911,000 | 26.83 |
| 2021 | 34,532,000 | 17,077,000 | 17,455,000 | 27.70 |
| 2022 | 35,635,000 | 17,626,000 | 18,008,000 | 28.58 |
| 2023 | 36,749,000 | 18,181,000 | 18,568,000 | 29.48 |
| 2024 | 37,885,000 | 18,747,000 | 19,138,000 | 30.39 |
| 2025 | 39,040,000 | 19,322,000 | 19,717,000 | 31.32 |