Population history
Population by year
| Year | Total | Male | Female | Density |
|---|---|---|---|---|
| 1950 | 2,213,000 | 1,098,000 | 1,114,000 | 3.53 |
| 1951 | 2,276,000 | 1,130,000 | 1,145,000 | 3.63 |
| 1952 | 2,340,000 | 1,162,000 | 1,177,000 | 3.73 |
| 1953 | 2,403,000 | 1,194,000 | 1,209,000 | 3.83 |
| 1954 | 2,467,000 | 1,226,000 | 1,240,000 | 3.93 |
| 1955 | 2,532,000 | 1,258,000 | 1,273,000 | 4.04 |
| 1956 | 2,598,000 | 1,292,000 | 1,306,000 | 4.14 |
| 1957 | 2,665,000 | 1,325,000 | 1,339,000 | 4.25 |
| 1958 | 2,733,000 | 1,359,000 | 1,373,000 | 4.36 |
| 1959 | 2,803,000 | 1,394,000 | 1,408,000 | 4.47 |
| 1960 | 2,876,000 | 1,431,000 | 1,444,000 | 4.59 |
| 1961 | 2,952,000 | 1,469,000 | 1,482,000 | 4.71 |
| 1962 | 3,030,000 | 1,508,000 | 1,521,000 | 4.83 |
| 1963 | 3,110,000 | 1,548,000 | 1,561,000 | 4.96 |
| 1964 | 3,192,000 | 1,590,000 | 1,602,000 | 5.09 |
| 1965 | 3,277,000 | 1,632,000 | 1,645,000 | 5.23 |
| 1966 | 3,365,000 | 1,676,000 | 1,688,000 | 5.36 |
| 1967 | 3,454,000 | 1,721,000 | 1,733,000 | 5.51 |
| 1968 | 3,546,000 | 1,767,000 | 1,778,000 | 5.65 |
| 1969 | 3,641,000 | 1,815,000 | 1,825,000 | 5.80 |
| 1970 | 3,738,000 | 1,863,000 | 1,874,000 | 5.96 |
| 1971 | 3,837,000 | 1,913,000 | 1,923,000 | 6.12 |
| 1972 | 3,939,000 | 1,964,000 | 1,974,000 | 6.28 |
| 1973 | 4,045,000 | 2,018,000 | 2,027,000 | 6.45 |
| 1974 | 4,151,000 | 2,071,000 | 2,080,000 | 6.62 |
| 1975 | 4,257,000 | 2,124,000 | 2,133,000 | 6.79 |
| 1976 | 4,365,000 | 2,178,000 | 2,186,000 | 6.96 |
| 1977 | 4,484,000 | 2,238,000 | 2,245,000 | 7.15 |
| 1978 | 4,814,000 | 2,403,000 | 2,411,000 | 7.68 |
| 1979 | 5,449,000 | 2,720,000 | 2,728,000 | 8.69 |
| 1980 | 5,936,000 | 2,964,000 | 2,971,000 | 9.46 |
| 1981 | 5,982,000 | 2,988,000 | 2,994,000 | 9.54 |
| 1982 | 6,003,000 | 2,999,000 | 3,004,000 | 9.57 |
| 1983 | 6,198,000 | 3,097,000 | 3,100,000 | 9.88 |
| 1984 | 6,428,000 | 3,213,000 | 3,215,000 | 10.25 |
| 1985 | 6,693,000 | 3,346,000 | 3,346,000 | 10.67 |
| 1986 | 6,974,000 | 3,488,000 | 3,486,000 | 11.12 |
| 1987 | 7,228,000 | 3,615,000 | 3,612,000 | 11.52 |
| 1988 | 7,235,000 | 3,616,000 | 3,618,000 | 11.53 |
| 1989 | 7,114,000 | 3,550,000 | 3,563,000 | 11.34 |
| 1990 | 7,082,000 | 3,530,000 | 3,551,000 | 11.29 |
| 1991 | 6,813,000 | 3,392,000 | 3,421,000 | 10.86 |
| 1992 | 6,495,000 | 3,230,000 | 3,264,000 | 10.35 |
| 1993 | 6,681,000 | 3,323,000 | 3,358,000 | 10.65 |
| 1994 | 7,026,000 | 3,497,000 | 3,529,000 | 11.20 |
| 1995 | 7,285,000 | 3,627,000 | 3,657,000 | 11.61 |
| 1996 | 7,554,000 | 3,764,000 | 3,790,000 | 12.04 |
| 1997 | 7,824,000 | 3,900,000 | 3,923,000 | 12.47 |
| 1998 | 8,155,000 | 4,067,000 | 4,087,000 | 13.00 |
| 1999 | 8,492,000 | 4,237,000 | 4,254,000 | 13.54 |
| 2000 | 8,838,000 | 4,412,000 | 4,425,000 | 14.09 |
| 2001 | 9,198,000 | 4,594,000 | 4,603,000 | 14.66 |
| 2002 | 9,550,000 | 4,772,000 | 4,777,000 | 15.22 |
| 2003 | 9,909,000 | 4,953,000 | 4,955,000 | 15.80 |
| 2004 | 10,280,000 | 5,141,000 | 5,139,000 | 16.39 |
| 2005 | 10,644,000 | 5,324,000 | 5,319,000 | 16.97 |
| 2006 | 10,975,000 | 5,492,000 | 5,483,000 | 17.50 |
| 2007 | 11,322,000 | 5,667,000 | 5,655,000 | 18.05 |
| 2008 | 11,663,000 | 5,838,000 | 5,824,000 | 18.59 |
| 2009 | 11,961,000 | 5,989,000 | 5,971,000 | 19.07 |
| 2010 | 12,261,000 | 6,140,000 | 6,121,000 | 19.55 |
| 2011 | 12,348,000 | 6,183,000 | 6,165,000 | 19.68 |
| 2012 | 12,461,000 | 6,239,000 | 6,221,000 | 19.86 |
| 2013 | 12,869,000 | 6,444,000 | 6,424,000 | 20.52 |
| 2014 | 13,339,000 | 6,680,000 | 6,658,000 | 21.26 |
| 2015 | 13,806,000 | 6,915,000 | 6,891,000 | 22.01 |
| 2016 | 14,348,000 | 7,187,000 | 7,161,000 | 22.87 |
| 2017 | 14,916,000 | 7,471,000 | 7,444,000 | 23.78 |
| 2018 | 15,452,000 | 7,740,000 | 7,712,000 | 24.63 |
| 2019 | 16,030,000 | 8,030,000 | 8,000,000 | 25.55 |
| 2020 | 16,651,000 | 8,342,000 | 8,309,000 | 26.54 |
| 2021 | 17,271,000 | 8,653,000 | 8,617,000 | 27.53 |
| 2022 | 17,801,000 | 8,919,000 | 8,882,000 | 28.38 |
| 2023 | 18,358,000 | 9,197,000 | 9,160,000 | 29.26 |
| 2024 | 19,009,000 | 9,522,000 | 9,486,000 | 30.30 |
| 2025 | 19,654,000 | 9,844,000 | 9,809,000 | 31.33 |