Population history
Population by year
| Year | Total | Male | Female | Density |
|---|---|---|---|---|
| 1950 | 13,741,000 | 6,966,000 | 6,775,000 | 1.51 |
| 1951 | 14,083,000 | 7,131,000 | 6,951,000 | 1.55 |
| 1952 | 14,482,000 | 7,335,000 | 7,147,000 | 1.59 |
| 1953 | 14,897,000 | 7,550,000 | 7,346,000 | 1.64 |
| 1954 | 15,318,000 | 7,766,000 | 7,552,000 | 1.69 |
| 1955 | 15,728,000 | 7,973,000 | 7,754,000 | 1.73 |
| 1956 | 16,159,000 | 8,191,000 | 7,968,000 | 1.78 |
| 1957 | 16,641,000 | 8,433,000 | 8,207,000 | 1.83 |
| 1958 | 17,104,000 | 8,664,000 | 8,439,000 | 1.88 |
| 1959 | 17,515,000 | 8,869,000 | 8,646,000 | 1.93 |
| 1960 | 17,898,000 | 9,055,000 | 8,842,000 | 1.97 |
| 1961 | 18,263,000 | 9,229,000 | 9,033,000 | 2.01 |
| 1962 | 18,613,000 | 9,393,000 | 9,220,000 | 2.05 |
| 1963 | 18,964,000 | 9,557,000 | 9,406,000 | 2.09 |
| 1964 | 19,321,000 | 9,725,000 | 9,595,000 | 2.13 |
| 1965 | 19,685,000 | 9,898,000 | 9,787,000 | 2.17 |
| 1966 | 20,053,000 | 10,074,000 | 9,979,000 | 2.21 |
| 1967 | 20,408,000 | 10,246,000 | 10,161,000 | 2.24 |
| 1968 | 20,734,000 | 10,404,000 | 10,329,000 | 2.28 |
| 1969 | 21,037,000 | 10,548,000 | 10,488,000 | 2.31 |
| 1970 | 21,440,000 | 10,751,000 | 10,688,000 | 2.36 |
| 1971 | 21,895,000 | 10,986,000 | 10,908,000 | 2.41 |
| 1972 | 22,230,000 | 11,152,000 | 11,078,000 | 2.45 |
| 1973 | 22,512,000 | 11,284,000 | 11,228,000 | 2.48 |
| 1974 | 22,824,000 | 11,432,000 | 11,391,000 | 2.51 |
| 1975 | 23,148,000 | 11,585,000 | 11,563,000 | 2.55 |
| 1976 | 23,455,000 | 11,726,000 | 11,728,000 | 2.58 |
| 1977 | 23,730,000 | 11,850,000 | 11,879,000 | 2.61 |
| 1978 | 23,978,000 | 11,961,000 | 12,017,000 | 2.64 |
| 1979 | 24,237,000 | 12,078,000 | 12,158,000 | 2.67 |
| 1980 | 24,533,000 | 12,217,000 | 12,315,000 | 2.70 |
| 1981 | 24,844,000 | 12,364,000 | 12,480,000 | 2.73 |
| 1982 | 25,140,000 | 12,503,000 | 12,637,000 | 2.77 |
| 1983 | 25,412,000 | 12,629,000 | 12,783,000 | 2.80 |
| 1984 | 25,670,000 | 12,748,000 | 12,921,000 | 2.82 |
| 1985 | 25,927,000 | 12,868,000 | 13,058,000 | 2.85 |
| 1986 | 26,211,000 | 13,005,000 | 13,205,000 | 2.88 |
| 1987 | 26,540,000 | 13,167,000 | 13,373,000 | 2.92 |
| 1988 | 26,927,000 | 13,354,000 | 13,573,000 | 2.96 |
| 1989 | 27,366,000 | 13,565,000 | 13,800,000 | 3.01 |
| 1990 | 27,789,000 | 13,771,000 | 14,017,000 | 3.06 |
| 1991 | 28,157,000 | 13,953,000 | 14,203,000 | 3.10 |
| 1992 | 28,500,000 | 14,116,000 | 14,383,000 | 3.13 |
| 1993 | 28,830,000 | 14,272,000 | 14,558,000 | 3.17 |
| 1994 | 29,147,000 | 14,424,000 | 14,722,000 | 3.21 |
| 1995 | 29,459,000 | 14,574,000 | 14,884,000 | 3.24 |
| 1996 | 29,767,000 | 14,726,000 | 15,041,000 | 3.27 |
| 1997 | 30,059,000 | 14,872,000 | 15,186,000 | 3.31 |
| 1998 | 30,329,000 | 15,006,000 | 15,323,000 | 3.34 |
| 1999 | 30,599,000 | 15,140,000 | 15,459,000 | 3.37 |
| 2000 | 30,891,000 | 15,290,000 | 15,601,000 | 3.40 |
| 2001 | 31,213,000 | 15,456,000 | 15,757,000 | 3.43 |
| 2002 | 31,535,000 | 15,620,000 | 15,915,000 | 3.47 |
| 2003 | 31,836,000 | 15,770,000 | 16,065,000 | 3.50 |
| 2004 | 32,132,000 | 15,918,000 | 16,213,000 | 3.53 |
| 2005 | 32,440,000 | 16,073,000 | 16,366,000 | 3.57 |
| 2006 | 32,759,000 | 16,232,000 | 16,526,000 | 3.60 |
| 2007 | 33,092,000 | 16,396,000 | 16,695,000 | 3.64 |
| 2008 | 33,449,000 | 16,572,000 | 16,876,000 | 3.68 |
| 2009 | 33,826,000 | 16,759,000 | 17,067,000 | 3.72 |
| 2010 | 34,196,000 | 16,943,000 | 17,253,000 | 3.76 |
| 2011 | 34,555,000 | 17,123,000 | 17,431,000 | 3.80 |
| 2012 | 34,922,000 | 17,311,000 | 17,610,000 | 3.84 |
| 2013 | 35,293,000 | 17,502,000 | 17,790,000 | 3.88 |
| 2014 | 35,634,000 | 17,674,000 | 17,959,000 | 3.92 |
| 2015 | 35,962,000 | 17,837,000 | 18,124,000 | 3.96 |
| 2016 | 36,353,000 | 18,032,000 | 18,320,000 | 4.00 |
| 2017 | 36,808,000 | 18,263,000 | 18,544,000 | 4.05 |
| 2018 | 37,295,000 | 18,514,000 | 18,780,000 | 4.10 |
| 2019 | 37,782,000 | 18,766,000 | 19,016,000 | 4.16 |
| 2020 | 38,171,000 | 18,964,000 | 19,207,000 | 4.20 |
| 2021 | 38,454,000 | 19,105,000 | 19,348,000 | 4.23 |
| 2022 | 38,821,000 | 19,282,000 | 19,538,000 | 4.27 |
| 2023 | 39,299,000 | 19,515,000 | 19,783,000 | 4.32 |
| 2024 | 39,742,000 | 19,734,000 | 20,007,000 | 4.37 |
| 2025 | 40,126,000 | 19,924,000 | 20,202,000 | 4.41 |