Population history
Population by year
| Year | Total | Male | Female | Density |
|---|---|---|---|---|
| 1950 | 4,375,000 | 2,188,000 | 2,186,000 | 24.17 |
| 1951 | 4,475,000 | 2,240,000 | 2,235,000 | 24.72 |
| 1952 | 4,577,000 | 2,292,000 | 2,285,000 | 25.29 |
| 1953 | 4,680,000 | 2,344,000 | 2,336,000 | 25.85 |
| 1954 | 4,783,000 | 2,397,000 | 2,386,000 | 26.43 |
| 1955 | 4,890,000 | 2,451,000 | 2,439,000 | 27.01 |
| 1956 | 4,999,000 | 2,506,000 | 2,492,000 | 27.62 |
| 1957 | 5,110,000 | 2,563,000 | 2,547,000 | 28.23 |
| 1958 | 5,220,000 | 2,619,000 | 2,601,000 | 28.84 |
| 1959 | 5,332,000 | 2,676,000 | 2,656,000 | 29.46 |
| 1960 | 5,449,000 | 2,735,000 | 2,714,000 | 30.10 |
| 1961 | 5,571,000 | 2,796,000 | 2,774,000 | 30.77 |
| 1962 | 5,697,000 | 2,860,000 | 2,837,000 | 31.47 |
| 1963 | 5,823,000 | 2,923,000 | 2,899,000 | 32.17 |
| 1964 | 5,946,000 | 2,985,000 | 2,960,000 | 32.85 |
| 1965 | 6,072,000 | 3,048,000 | 3,023,000 | 33.54 |
| 1966 | 6,201,000 | 3,113,000 | 3,088,000 | 34.25 |
| 1967 | 6,332,000 | 3,178,000 | 3,154,000 | 34.98 |
| 1968 | 6,467,000 | 3,245,000 | 3,221,000 | 35.72 |
| 1969 | 6,604,000 | 3,313,000 | 3,291,000 | 36.48 |
| 1970 | 6,639,000 | 3,321,000 | 3,317,000 | 36.67 |
| 1971 | 6,620,000 | 3,295,000 | 3,325,000 | 36.57 |
| 1972 | 6,673,000 | 3,305,000 | 3,368,000 | 36.87 |
| 1973 | 6,739,000 | 3,321,000 | 3,418,000 | 37.23 |
| 1974 | 6,783,000 | 3,327,000 | 3,456,000 | 37.47 |
| 1975 | 6,581,000 | 3,193,000 | 3,387,000 | 36.35 |
| 1976 | 6,134,000 | 2,935,000 | 3,199,000 | 33.89 |
| 1977 | 5,668,000 | 2,681,000 | 2,986,000 | 31.31 |
| 1978 | 5,211,000 | 2,431,000 | 2,780,000 | 28.79 |
| 1979 | 5,088,000 | 2,352,000 | 2,736,000 | 28.11 |
| 1980 | 5,199,000 | 2,403,000 | 2,796,000 | 28.72 |
| 1981 | 5,284,000 | 2,445,000 | 2,839,000 | 29.19 |
| 1982 | 5,436,000 | 2,521,000 | 2,915,000 | 30.03 |
| 1983 | 5,636,000 | 2,620,000 | 3,015,000 | 31.13 |
| 1984 | 5,845,000 | 2,724,000 | 3,120,000 | 32.29 |
| 1985 | 6,043,000 | 2,824,000 | 3,219,000 | 33.39 |
| 1986 | 6,285,000 | 2,948,000 | 3,337,000 | 34.72 |
| 1987 | 6,557,000 | 3,092,000 | 3,465,000 | 36.23 |
| 1988 | 6,812,000 | 3,223,000 | 3,588,000 | 37.63 |
| 1989 | 7,073,000 | 3,359,000 | 3,714,000 | 39.07 |
| 1990 | 7,374,000 | 3,520,000 | 3,854,000 | 40.74 |
| 1991 | 7,686,000 | 3,687,000 | 3,999,000 | 42.46 |
| 1992 | 8,113,000 | 3,907,000 | 4,205,000 | 44.82 |
| 1993 | 8,616,000 | 4,161,000 | 4,455,000 | 47.60 |
| 1994 | 9,239,000 | 4,460,000 | 4,778,000 | 51.04 |
| 1995 | 10,018,000 | 4,824,000 | 5,194,000 | 55.34 |
| 1996 | 10,801,000 | 5,189,000 | 5,611,000 | 59.66 |
| 1997 | 11,570,000 | 5,548,000 | 6,022,000 | 63.92 |
| 1998 | 12,058,000 | 5,780,000 | 6,277,000 | 66.61 |
| 1999 | 12,265,000 | 5,888,000 | 6,376,000 | 67.75 |
| 2000 | 12,462,000 | 5,992,000 | 6,469,000 | 68.84 |
| 2001 | 12,658,000 | 6,096,000 | 6,561,000 | 69.92 |
| 2002 | 12,855,000 | 6,200,000 | 6,654,000 | 71.01 |
| 2003 | 13,050,000 | 6,303,000 | 6,747,000 | 72.09 |
| 2004 | 13,244,000 | 6,406,000 | 6,838,000 | 73.16 |
| 2005 | 13,439,000 | 6,509,000 | 6,929,000 | 74.24 |
| 2006 | 13,639,000 | 6,616,000 | 7,022,000 | 75.34 |
| 2007 | 13,841,000 | 6,725,000 | 7,116,000 | 76.46 |
| 2008 | 14,053,000 | 6,837,000 | 7,215,000 | 77.63 |
| 2009 | 14,276,000 | 6,953,000 | 7,323,000 | 78.86 |
| 2010 | 14,500,000 | 7,065,000 | 7,434,000 | 80.10 |
| 2011 | 14,722,000 | 7,177,000 | 7,544,000 | 81.33 |
| 2012 | 14,945,000 | 7,289,000 | 7,655,000 | 82.55 |
| 2013 | 15,170,000 | 7,402,000 | 7,767,000 | 83.80 |
| 2014 | 15,396,000 | 7,515,000 | 7,880,000 | 85.05 |
| 2015 | 15,623,000 | 7,629,000 | 7,994,000 | 86.30 |
| 2016 | 15,852,000 | 7,744,000 | 8,108,000 | 87.57 |
| 2017 | 16,073,000 | 7,854,000 | 8,218,000 | 88.79 |
| 2018 | 16,274,000 | 7,954,000 | 8,320,000 | 89.90 |
| 2019 | 16,481,000 | 8,057,000 | 8,423,000 | 91.04 |
| 2020 | 16,725,000 | 8,180,000 | 8,544,000 | 92.39 |
| 2021 | 16,974,000 | 8,306,000 | 8,667,000 | 93.76 |
| 2022 | 17,201,000 | 8,421,000 | 8,779,000 | 95.02 |
| 2023 | 17,423,000 | 8,533,000 | 8,889,000 | 96.25 |
| 2024 | 17,638,000 | 8,642,000 | 8,995,000 | 97.43 |
| 2025 | 17,847,000 | 8,749,000 | 9,098,000 | 98.59 |