Population history
Population by year
| Year | Total | Male | Female | Density |
|---|---|---|---|---|
| 1950 | 2,321,000 | 1,153,000 | 1,167,000 | 3.12 |
| 1951 | 2,393,000 | 1,189,000 | 1,204,000 | 3.22 |
| 1952 | 2,467,000 | 1,225,000 | 1,241,000 | 3.32 |
| 1953 | 2,543,000 | 1,263,000 | 1,280,000 | 3.42 |
| 1954 | 2,622,000 | 1,301,000 | 1,320,000 | 3.53 |
| 1955 | 2,703,000 | 1,341,000 | 1,361,000 | 3.64 |
| 1956 | 2,787,000 | 1,383,000 | 1,404,000 | 3.75 |
| 1957 | 2,874,000 | 1,425,000 | 1,448,000 | 3.87 |
| 1958 | 2,963,000 | 1,469,000 | 1,494,000 | 3.99 |
| 1959 | 3,057,000 | 1,515,000 | 1,541,000 | 4.11 |
| 1960 | 3,153,000 | 1,562,000 | 1,590,000 | 4.24 |
| 1961 | 3,254,000 | 1,612,000 | 1,641,000 | 4.38 |
| 1962 | 3,358,000 | 1,663,000 | 1,694,000 | 4.52 |
| 1963 | 3,465,000 | 1,716,000 | 1,749,000 | 4.66 |
| 1964 | 3,577,000 | 1,770,000 | 1,806,000 | 4.81 |
| 1965 | 3,692,000 | 1,827,000 | 1,864,000 | 4.97 |
| 1966 | 3,812,000 | 1,885,000 | 1,926,000 | 5.13 |
| 1967 | 3,936,000 | 1,946,000 | 1,989,000 | 5.30 |
| 1968 | 4,065,000 | 2,010,000 | 2,055,000 | 5.47 |
| 1969 | 4,197,000 | 2,074,000 | 2,122,000 | 5.65 |
| 1970 | 4,321,000 | 2,133,000 | 2,188,000 | 5.81 |
| 1971 | 4,442,000 | 2,188,000 | 2,254,000 | 5.98 |
| 1972 | 4,569,000 | 2,246,000 | 2,322,000 | 6.15 |
| 1973 | 4,702,000 | 2,307,000 | 2,394,000 | 6.33 |
| 1974 | 4,842,000 | 2,372,000 | 2,469,000 | 6.51 |
| 1975 | 4,990,000 | 2,441,000 | 2,548,000 | 6.71 |
| 1976 | 5,143,000 | 2,513,000 | 2,630,000 | 6.92 |
| 1977 | 5,302,000 | 2,587,000 | 2,715,000 | 7.13 |
| 1978 | 5,465,000 | 2,663,000 | 2,801,000 | 7.35 |
| 1979 | 5,631,000 | 2,741,000 | 2,890,000 | 7.58 |
| 1980 | 5,802,000 | 2,822,000 | 2,980,000 | 7.81 |
| 1981 | 5,983,000 | 2,908,000 | 3,074,000 | 8.05 |
| 1982 | 6,178,000 | 3,003,000 | 3,174,000 | 8.31 |
| 1983 | 6,381,000 | 3,102,000 | 3,278,000 | 8.58 |
| 1984 | 6,580,000 | 3,199,000 | 3,381,000 | 8.85 |
| 1985 | 6,780,000 | 3,295,000 | 3,485,000 | 9.12 |
| 1986 | 6,986,000 | 3,394,000 | 3,592,000 | 9.40 |
| 1987 | 7,191,000 | 3,492,000 | 3,698,000 | 9.67 |
| 1988 | 7,391,000 | 3,587,000 | 3,804,000 | 9.94 |
| 1989 | 7,589,000 | 3,680,000 | 3,908,000 | 10.21 |
| 1990 | 7,786,000 | 3,772,000 | 4,013,000 | 10.47 |
| 1991 | 7,981,000 | 3,864,000 | 4,117,000 | 10.74 |
| 1992 | 8,176,000 | 3,954,000 | 4,221,000 | 11.00 |
| 1993 | 8,373,000 | 4,046,000 | 4,327,000 | 11.27 |
| 1994 | 8,576,000 | 4,140,000 | 4,435,000 | 11.54 |
| 1995 | 8,785,000 | 4,239,000 | 4,546,000 | 11.82 |
| 1996 | 9,004,000 | 4,342,000 | 4,661,000 | 12.11 |
| 1997 | 9,237,000 | 4,455,000 | 4,781,000 | 12.43 |
| 1998 | 9,482,000 | 4,575,000 | 4,906,000 | 12.76 |
| 1999 | 9,740,000 | 4,703,000 | 5,036,000 | 13.10 |
| 2000 | 10,017,000 | 4,842,000 | 5,175,000 | 13.48 |
| 2001 | 10,325,000 | 4,999,000 | 5,325,000 | 13.89 |
| 2002 | 10,647,000 | 5,165,000 | 5,482,000 | 14.32 |
| 2003 | 10,983,000 | 5,336,000 | 5,646,000 | 14.78 |
| 2004 | 11,338,000 | 5,518,000 | 5,819,000 | 15.25 |
| 2005 | 11,718,000 | 5,714,000 | 6,004,000 | 15.76 |
| 2006 | 12,129,000 | 5,927,000 | 6,201,000 | 16.32 |
| 2007 | 12,565,000 | 6,153,000 | 6,411,000 | 16.90 |
| 2008 | 13,021,000 | 6,390,000 | 6,630,000 | 17.52 |
| 2009 | 13,490,000 | 6,632,000 | 6,857,000 | 18.15 |
| 2010 | 13,965,000 | 6,876,000 | 7,088,000 | 18.79 |
| 2011 | 14,437,000 | 7,115,000 | 7,321,000 | 19.42 |
| 2012 | 14,913,000 | 7,355,000 | 7,558,000 | 20.06 |
| 2013 | 15,398,000 | 7,599,000 | 7,799,000 | 20.72 |
| 2014 | 15,895,000 | 7,848,000 | 8,046,000 | 21.38 |
| 2015 | 16,399,000 | 8,101,000 | 8,297,000 | 22.06 |
| 2016 | 16,914,000 | 8,360,000 | 8,553,000 | 22.75 |
| 2017 | 17,441,000 | 8,625,000 | 8,815,000 | 23.46 |
| 2018 | 17,973,000 | 8,892,000 | 9,081,000 | 24.18 |
| 2019 | 18,513,000 | 9,162,000 | 9,351,000 | 24.91 |
| 2020 | 19,059,000 | 9,433,000 | 9,626,000 | 25.64 |
| 2021 | 19,603,000 | 9,702,000 | 9,900,000 | 26.37 |
| 2022 | 20,152,000 | 9,973,000 | 10,179,000 | 27.11 |
| 2023 | 20,723,000 | 10,256,000 | 10,467,000 | 27.88 |
| 2024 | 21,314,000 | 10,550,000 | 10,764,000 | 28.67 |
| 2025 | 21,913,000 | 10,848,000 | 11,065,000 | 29.48 |