Population history
Population by year
| Year | Total | Male | Female | Density |
|---|---|---|---|---|
| 1950 | 3,516,000 | 1,748,000 | 1,768,000 | 14.16 |
| 1951 | 3,607,000 | 1,793,000 | 1,813,000 | 14.53 |
| 1952 | 3,702,000 | 1,841,000 | 1,860,000 | 14.91 |
| 1953 | 3,800,000 | 1,890,000 | 1,909,000 | 15.30 |
| 1954 | 3,901,000 | 1,941,000 | 1,959,000 | 15.71 |
| 1955 | 4,006,000 | 1,994,000 | 2,011,000 | 16.13 |
| 1956 | 4,114,000 | 2,049,000 | 2,065,000 | 16.57 |
| 1957 | 4,226,000 | 2,105,000 | 2,121,000 | 17.02 |
| 1958 | 4,343,000 | 2,164,000 | 2,178,000 | 17.49 |
| 1959 | 4,464,000 | 2,225,000 | 2,239,000 | 17.98 |
| 1960 | 4,590,000 | 2,289,000 | 2,301,000 | 18.49 |
| 1961 | 4,722,000 | 2,355,000 | 2,367,000 | 19.01 |
| 1962 | 4,859,000 | 2,424,000 | 2,435,000 | 19.57 |
| 1963 | 5,001,000 | 2,495,000 | 2,506,000 | 20.14 |
| 1964 | 5,149,000 | 2,569,000 | 2,579,000 | 20.74 |
| 1965 | 5,303,000 | 2,647,000 | 2,656,000 | 21.36 |
| 1966 | 5,463,000 | 2,727,000 | 2,736,000 | 22.00 |
| 1967 | 5,629,000 | 2,810,000 | 2,818,000 | 22.67 |
| 1968 | 5,799,000 | 2,895,000 | 2,903,000 | 23.35 |
| 1969 | 5,975,000 | 2,983,000 | 2,991,000 | 24.06 |
| 1970 | 6,155,000 | 3,074,000 | 3,081,000 | 24.78 |
| 1971 | 6,340,000 | 3,166,000 | 3,173,000 | 25.53 |
| 1972 | 6,529,000 | 3,261,000 | 3,267,000 | 26.29 |
| 1973 | 6,722,000 | 3,358,000 | 3,363,000 | 27.07 |
| 1974 | 6,918,000 | 3,456,000 | 3,462,000 | 27.86 |
| 1975 | 7,118,000 | 3,556,000 | 3,561,000 | 28.66 |
| 1976 | 7,320,000 | 3,658,000 | 3,662,000 | 29.48 |
| 1977 | 7,526,000 | 3,761,000 | 3,765,000 | 30.31 |
| 1978 | 7,736,000 | 3,866,000 | 3,869,000 | 31.15 |
| 1979 | 7,948,000 | 3,973,000 | 3,975,000 | 32.01 |
| 1980 | 8,165,000 | 4,081,000 | 4,084,000 | 32.88 |
| 1981 | 8,386,000 | 4,192,000 | 4,194,000 | 33.77 |
| 1982 | 8,611,000 | 4,305,000 | 4,306,000 | 34.67 |
| 1983 | 8,840,000 | 4,420,000 | 4,420,000 | 35.60 |
| 1984 | 9,074,000 | 4,537,000 | 4,537,000 | 36.54 |
| 1985 | 9,311,000 | 4,656,000 | 4,654,000 | 37.49 |
| 1986 | 9,545,000 | 4,774,000 | 4,771,000 | 38.44 |
| 1987 | 9,779,000 | 4,891,000 | 4,888,000 | 39.38 |
| 1988 | 10,010,000 | 5,007,000 | 5,003,000 | 40.31 |
| 1989 | 10,241,000 | 5,122,000 | 5,119,000 | 41.24 |
| 1990 | 10,473,000 | 5,238,000 | 5,235,000 | 42.17 |
| 1991 | 10,702,000 | 5,352,000 | 5,349,000 | 43.09 |
| 1992 | 10,930,000 | 5,466,000 | 5,463,000 | 44.01 |
| 1993 | 11,154,000 | 5,578,000 | 5,576,000 | 44.91 |
| 1994 | 11,372,000 | 5,686,000 | 5,685,000 | 45.79 |
| 1995 | 11,590,000 | 5,795,000 | 5,794,000 | 46.67 |
| 1996 | 11,810,000 | 5,905,000 | 5,905,000 | 47.56 |
| 1997 | 12,031,000 | 6,015,000 | 6,015,000 | 48.44 |
| 1998 | 12,251,000 | 6,125,000 | 6,126,000 | 49.33 |
| 1999 | 12,470,000 | 6,234,000 | 6,236,000 | 50.21 |
| 2000 | 12,689,000 | 6,343,000 | 6,345,000 | 51.09 |
| 2001 | 12,910,000 | 6,454,000 | 6,456,000 | 51.98 |
| 2002 | 13,138,000 | 6,567,000 | 6,570,000 | 52.90 |
| 2003 | 13,372,000 | 6,684,000 | 6,687,000 | 53.84 |
| 2004 | 13,608,000 | 6,802,000 | 6,806,000 | 54.79 |
| 2005 | 13,846,000 | 6,920,000 | 6,925,000 | 55.75 |
| 2006 | 14,086,000 | 7,039,000 | 7,046,000 | 56.72 |
| 2007 | 14,328,000 | 7,159,000 | 7,168,000 | 57.69 |
| 2008 | 14,575,000 | 7,282,000 | 7,293,000 | 58.69 |
| 2009 | 14,825,000 | 7,406,000 | 7,419,000 | 59.70 |
| 2010 | 15,076,000 | 7,531,000 | 7,545,000 | 60.71 |
| 2011 | 15,326,000 | 7,655,000 | 7,670,000 | 61.71 |
| 2012 | 15,572,000 | 7,777,000 | 7,794,000 | 62.70 |
| 2013 | 15,807,000 | 7,895,000 | 7,911,000 | 63.65 |
| 2014 | 16,035,000 | 8,009,000 | 8,025,000 | 64.56 |
| 2015 | 16,266,000 | 8,125,000 | 8,140,000 | 65.50 |
| 2016 | 16,505,000 | 8,245,000 | 8,259,000 | 66.46 |
| 2017 | 16,759,000 | 8,372,000 | 8,386,000 | 67.48 |
| 2018 | 17,049,000 | 8,517,000 | 8,531,000 | 68.65 |
| 2019 | 17,340,000 | 8,661,000 | 8,678,000 | 69.82 |
| 2020 | 17,546,000 | 8,760,000 | 8,786,000 | 70.65 |
| 2021 | 17,682,000 | 8,821,000 | 8,860,000 | 71.20 |
| 2022 | 17,823,000 | 8,888,000 | 8,935,000 | 71.77 |
| 2023 | 17,980,000 | 8,964,000 | 9,015,000 | 72.40 |
| 2024 | 18,135,000 | 9,041,000 | 9,094,000 | 73.02 |
| 2025 | 18,289,000 | 9,117,000 | 9,172,000 | 73.64 |