The latest officially reported population of Iran was 92,417,681 in 2025 vs 237,527,782 people in Nigeria in 2025. In 2026, based on the adjusted UN estimation, the current Iran's population is 93,580,141 people compared to 245,016,045 in Nigeria.
Population statistics:
- Nigeria's population is 2.62 times bigger than Iran's.
- Iran is ranked the 17th most populous country in the world, while Nigeria is the 6th.
- The countries together account for 4.07% of the world: 1.13% for Iran vs 2.95% for Nigeria.
- For the last 10 years, Iran has had an average growth rate of +1.15% per year vs +2.25% in Nigeria.
- Since 2006, the population of Iran has increased from 73.4M people to 93.6M (27.5% growth), while Nigeria has grown from 149M to 245M (64.4% growth).
Iran vs Nigeria: population by year and forecast
| Year | Population | |
|---|---|---|
Iran
|
Nigeria
|
|
| 2100 | 80,660,972 | 481,640,156 |
| 2099 | 81,193,582 | 481,456,918 |
| 2098 | 81,717,474 | 481,181,892 |
| 2097 | 82,241,892 | 480,838,161 |
| 2096 | 82,764,411 | 480,422,467 |
| 2095 | 83,283,942 | 479,938,579 |
| 2094 | 83,799,806 | 479,395,022 |
| 2093 | 84,316,389 | 478,769,369 |
| 2092 | 84,833,108 | 478,059,864 |
| 2091 | 85,354,240 | 477,236,907 |
| 2090 | 85,878,473 | 476,329,495 |
| 2089 | 86,409,859 | 475,326,347 |
| 2088 | 86,947,263 | 474,231,442 |
| 2087 | 87,492,427 | 473,035,563 |
| 2086 | 88,047,949 | 471,732,001 |
| 2085 | 88,610,339 | 470,328,175 |
| 2084 | 89,181,346 | 468,806,172 |
| 2083 | 89,758,453 | 467,187,453 |
| 2082 | 90,343,413 | 465,472,417 |
| 2081 | 90,936,310 | 463,643,190 |
| 2080 | 91,535,218 | 461,705,493 |
| 2079 | 92,136,544 | 459,644,523 |
| 2078 | 92,740,467 | 457,477,264 |
| 2077 | 93,344,865 | 455,218,871 |
| 2076 | 93,946,187 | 452,849,991 |
| 2075 | 94,544,733 | 450,367,356 |
| 2074 | 95,135,317 | 447,789,885 |
| 2073 | 95,721,351 | 445,117,028 |
| 2072 | 96,292,835 | 442,340,440 |
| 2071 | 96,851,951 | 439,464,323 |
| 2070 | 97,397,073 | 436,505,329 |
| 2069 | 97,924,812 | 433,437,998 |
| 2068 | 98,432,509 | 430,286,232 |
| 2067 | 98,913,776 | 427,032,499 |
| 2066 | 99,374,357 | 423,702,640 |
| 2065 | 99,812,137 | 420,285,359 |
| 2064 | 100,223,387 | 416,778,394 |
| 2063 | 100,602,361 | 413,198,800 |
| 2062 | 100,951,282 | 409,551,159 |
| 2061 | 101,266,537 | 405,827,482 |
| 2060 | 101,545,806 | 402,041,765 |
| 2059 | 101,792,315 | 398,197,311 |
| 2058 | 101,994,395 | 394,284,767 |
| 2057 | 102,161,227 | 390,311,065 |
| 2056 | 102,291,323 | 386,267,580 |
| 2055 | 102,382,089 | 382,162,992 |
| 2054 | 102,431,558 | 378,000,511 |
| 2053 | 102,441,204 | 373,769,779 |
| 2052 | 102,413,350 | 369,472,476 |
| 2051 | 102,350,865 | 365,120,741 |
| 2050 | 102,251,999 | 360,706,317 |
| 2049 | 102,122,983 | 356,243,287 |
| 2048 | 101,957,508 | 351,724,743 |
| 2047 | 101,765,614 | 347,142,279 |
| 2046 | 101,547,098 | 342,505,549 |
| 2045 | 101,305,486 | 337,807,869 |
| 2044 | 101,038,874 | 333,050,132 |
| 2043 | 100,752,109 | 328,230,652 |
| 2042 | 100,446,296 | 323,363,366 |
| 2041 | 100,122,690 | 318,443,989 |
| 2040 | 99,784,572 | 313,468,061 |
| 2039 | 99,436,793 | 308,450,008 |
| 2038 | 99,072,548 | 303,399,842 |
| 2037 | 98,694,577 | 298,327,800 |
| 2036 | 98,302,279 | 293,227,654 |
| 2035 | 97,899,013 | 288,115,630 |
| 2034 | 97,482,352 | 282,995,818 |
| 2033 | 97,054,589 | 277,875,880 |
| 2032 | 96,608,216 | 272,747,599 |
| 2031 | 96,141,200 | 267,645,657 |
| 2030 | 95,656,003 | 262,562,767 |
| 2029 | 95,133,736 | 257,484,616 |
| 2028 | 94,561,150 | 252,445,821 |
| 2027 | 93,925,792 | 247,437,680 |
| 2026 | 93,215,072 | 242,458,365 |
| 2025 | 92,417,681 | 237,527,782 |
| 2024 | 91,567,738 | 232,679,478 |
| 2023 | 90,608,707 | 227,882,945 |
| 2022 | 89,524,246 | 223,150,896 |
| 2021 | 88,455,488 | 218,529,286 |
| 2020 | 87,723,443 | 213,996,181 |
| 2019 | 87,051,648 | 209,485,641 |
| 2018 | 86,117,998 | 204,938,755 |
| 2017 | 85,026,754 | 200,254,579 |
| 2016 | 83,812,228 | 195,443,700 |
| 2015 | 82,619,362 | 190,671,878 |
| 2014 | 81,502,045 | 185,896,915 |
| 2013 | 80,414,686 | 181,049,443 |
| 2012 | 79,370,580 | 176,200,625 |
| 2011 | 78,383,598 | 171,379,598 |
| 2010 | 77,420,842 | 166,642,886 |
| 2009 | 76,457,825 | 162,049,464 |
| 2008 | 75,514,204 | 157,595,014 |
| 2007 | 74,602,648 | 153,267,261 |
| 2006 | 73,392,747 | 149,077,334 |
| 2005 | 71,828,455 | 145,017,253 |
| 2004 | 70,256,316 | 141,057,045 |
| 2003 | 68,769,340 | 137,202,644 |
| 2002 | 68,011,317 | 133,471,989 |
| 2001 | 67,452,005 | 129,862,595 |
| 2000 | 66,418,659 | 126,382,494 |
| 1999 | 65,445,391 | 123,047,320 |
| 1998 | 64,519,859 | 119,846,254 |
| 1997 | 63,639,638 | 116,754,792 |
| 1996 | 62,881,300 | 113,754,779 |
| 1995 | 62,205,567 | 110,819,428 |
| 1994 | 61,520,598 | 107,935,714 |
| 1993 | 61,403,543 | 105,122,069 |
| 1992 | 61,184,983 | 102,372,770 |
| 1991 | 59,986,931 | 99,720,162 |
| 1990 | 58,380,092 | 97,120,925 |
| 1989 | 56,704,914 | 94,531,014 |
| 1988 | 55,072,694 | 92,020,090 |
| 1987 | 53,323,493 | 89,591,716 |
| 1986 | 51,446,045 | 87,235,953 |
| 1985 | 49,582,289 | 84,897,973 |
| 1984 | 47,793,998 | 82,526,443 |
| 1983 | 46,029,535 | 80,438,260 |
| 1982 | 44,272,141 | 78,378,701 |
| 1981 | 41,989,312 | 76,068,103 |
| 1980 | 39,842,324 | 73,764,641 |
| 1979 | 38,424,952 | 71,498,242 |
| 1978 | 37,126,535 | 69,326,532 |
| 1977 | 35,933,181 | 67,234,590 |
| 1976 | 34,837,271 | 65,258,009 |
| 1975 | 33,802,973 | 63,410,815 |
| 1974 | 32,796,463 | 61,679,144 |
| 1973 | 31,839,838 | 60,082,139 |
| 1972 | 30,921,179 | 58,601,748 |
| 1971 | 30,029,071 | 57,214,684 |
| 1970 | 29,145,100 | 55,893,838 |
| 1969 | 28,273,482 | 54,631,914 |
| 1968 | 27,437,391 | 53,432,783 |
| 1967 | 26,628,432 | 52,293,065 |
| 1966 | 25,829,270 | 51,188,234 |
| 1965 | 25,036,978 | 50,086,764 |
| 1964 | 24,262,859 | 49,012,016 |
| 1963 | 23,519,005 | 47,973,575 |
| 1962 | 22,807,907 | 46,965,292 |
| 1961 | 22,125,726 | 45,989,310 |
| 1960 | 21,470,434 | 45,053,782 |
Data sources: United Nations | World Population Prospects (2026–2100, retrieved 2026-07-08); World Bank | Health (1960–2025, retrieved 2026-07-08).
GeoRank.org/population/iran/nigeria | CC BY 
From 2006 to 2016, the population of Iran increased by 10,419,481 people (a 14.2% growth), while Nigeria gained 46,366,366 people (a 31.1% growth).
For the next 10 years, from 2016 to 2026, Iran gained 9,767,913 people (a 11.7% growth), while Nigeria's population increased by 49,572,345 people (a 25.4% growth).
Iran was ranked 17th most populous country in 2006 and is still 17th in 2026. Nigeria was ranked 7th in 2006 and ranked 6th now.
The UN's World Population Prospects forecasts that in 24 years (in 2050) Iran's population will grow by 9.27% to 102,251,999 people with a rank change from 17th to 18th. The population of Nigeria will increase by 47.2% to 360,706,317 people and rank change from 6th to 5th.
Iran is projected to reach its peak in 2053 at 102M people compared to the peak of 482M people in 2100 for Nigeria.
Population growth rate by year
| Year | Growth rate | |
|---|---|---|
|
Iran
|
Nigeria
|
|
| 2100 | -0.66% | 0.04% |
| 2099 | -0.64% | 0.06% |
| 2098 | -0.64% | 0.07% |
| 2097 | -0.63% | 0.09% |
| 2096 | -0.62% | 0.1% |
| 2095 | -0.62% | 0.11% |
| 2094 | -0.61% | 0.13% |
| 2093 | -0.61% | 0.15% |
| 2092 | -0.61% | 0.17% |
| 2091 | -0.61% | 0.19% |
| 2090 | -0.61% | 0.21% |
| 2089 | -0.62% | 0.23% |
| 2088 | -0.62% | 0.25% |
| 2087 | -0.63% | 0.28% |
| 2086 | -0.63% | 0.3% |
| 2085 | -0.64% | 0.32% |
| 2084 | -0.64% | 0.35% |
| 2083 | -0.65% | 0.37% |
| 2082 | -0.65% | 0.39% |
| 2081 | -0.65% | 0.42% |
| 2080 | -0.65% | 0.45% |
| 2079 | -0.65% | 0.47% |
| 2078 | -0.65% | 0.5% |
| 2077 | -0.64% | 0.52% |
| 2076 | -0.63% | 0.55% |
| 2075 | -0.62% | 0.58% |
| 2074 | -0.61% | 0.6% |
| 2073 | -0.59% | 0.63% |
| 2072 | -0.58% | 0.65% |
| 2071 | -0.56% | 0.68% |
| 2070 | -0.54% | 0.71% |
| 2069 | -0.52% | 0.73% |
| 2068 | -0.49% | 0.76% |
| 2067 | -0.46% | 0.79% |
| 2066 | -0.44% | 0.81% |
| 2065 | -0.41% | 0.84% |
| 2064 | -0.38% | 0.87% |
| 2063 | -0.35% | 0.89% |
| 2062 | -0.31% | 0.92% |
| 2061 | -0.28% | 0.94% |
| 2060 | -0.24% | 0.97% |
| 2059 | -0.2% | 0.99% |
| 2058 | -0.16% | 1.02% |
| 2057 | -0.13% | 1.05% |
| 2056 | -0.09% | 1.07% |
| 2055 | -0.05% | 1.1% |
| 2054 | -0.009% | 1.13% |
| 2053 | 0.03% | 1.16% |
| 2052 | 0.06% | 1.19% |
| 2051 | 0.1% | 1.22% |
| 2050 | 0.13% | 1.25% |
| 2049 | 0.16% | 1.28% |
| 2048 | 0.19% | 1.32% |
| 2047 | 0.22% | 1.35% |
| 2046 | 0.24% | 1.39% |
| 2045 | 0.26% | 1.43% |
| 2044 | 0.28% | 1.47% |
| 2043 | 0.3% | 1.51% |
| 2042 | 0.32% | 1.54% |
| 2041 | 0.34% | 1.59% |
| 2040 | 0.35% | 1.63% |
| 2039 | 0.37% | 1.66% |
| 2038 | 0.38% | 1.7% |
| 2037 | 0.4% | 1.74% |
| 2036 | 0.41% | 1.77% |
| 2035 | 0.43% | 1.81% |
| 2034 | 0.44% | 1.84% |
| 2033 | 0.46% | 1.88% |
| 2032 | 0.49% | 1.91% |
| 2031 | 0.51% | 1.94% |
| 2030 | 0.55% | 1.97% |
| 2029 | 0.61% | 2% |
| 2028 | 0.68% | 2.02% |
| 2027 | 0.76% | 2.05% |
| 2026 | 0.86% | 2.08% |
| 2025 | 0.93% | 2.08% |
| 2024 | 1.06% | 2.1% |
| 2023 | 1.21% | 2.12% |
| 2022 | 1.21% | 2.11% |
| 2021 | 0.83% | 2.12% |
| 2020 | 0.77% | 2.15% |
| 2019 | 1.08% | 2.22% |
| 2018 | 1.28% | 2.34% |
| 2017 | 1.45% | 2.46% |
| 2016 | 1.44% | 2.5% |
| 2015 | 1.37% | 2.57% |
| 2014 | 1.35% | 2.68% |
| 2013 | 1.32% | 2.75% |
| 2012 | 1.26% | 2.81% |
| 2011 | 1.24% | 2.84% |
| 2010 | 1.26% | 2.83% |
| 2009 | 1.25% | 2.83% |
| 2008 | 1.22% | 2.82% |
| 2007 | 1.65% | 2.81% |
| 2006 | 2.18% | 2.8% |
| 2005 | 2.24% | 2.81% |
| 2004 | 2.16% | 2.81% |
| 2003 | 1.11% | 2.8% |
| 2002 | 0.83% | 2.78% |
| 2001 | 1.56% | 2.75% |
| 2000 | 1.49% | 2.71% |
| 1999 | 1.43% | 2.67% |
| 1998 | 1.38% | 2.65% |
| 1997 | 1.21% | 2.64% |
| 1996 | 1.09% | 2.65% |
| 1995 | 1.11% | 2.67% |
| 1994 | 0.19% | 2.68% |
| 1993 | 0.36% | 2.69% |
| 1992 | 2% | 2.66% |
| 1991 | 2.75% | 2.68% |
| 1990 | 2.95% | 2.74% |
| 1989 | 2.96% | 2.73% |
| 1988 | 3.28% | 2.71% |
| 1987 | 3.65% | 2.7% |
| 1986 | 3.76% | 2.75% |
| 1985 | 3.74% | 2.87% |
| 1984 | 3.83% | 2.6% |
| 1983 | 3.97% | 2.63% |
| 1982 | 5.44% | 3.04% |
| 1981 | 5.39% | 3.12% |
| 1980 | 3.69% | 3.17% |
| 1979 | 3.5% | 3.13% |
| 1978 | 3.32% | 3.11% |
| 1977 | 3.15% | 3.03% |
| 1976 | 3.06% | 2.91% |
| 1975 | 3.07% | 2.81% |
| 1974 | 3% | 2.66% |
| 1973 | 2.97% | 2.53% |
| 1972 | 2.97% | 2.42% |
| 1971 | 3.03% | 2.36% |
| 1970 | 3.08% | 2.31% |
| 1969 | 3.05% | 2.24% |
| 1968 | 3.04% | 2.18% |
| 1967 | 3.09% | 2.16% |
| 1966 | 3.16% | 2.2% |
| 1965 | 3.19% | 2.19% |
| 1964 | 3.16% | 2.16% |
| 1963 | 3.12% | 2.15% |
| 1962 | 3.08% | 2.12% |
| 1961 | 3.05% | 2.08% |
Data sources: United Nations | World Population Prospects (2026–2100, retrieved 2026-07-08); World Bank | Health (1961–2025, retrieved 2026-07-08).
GeoRank.org/population/iran/nigeria | CC BY
In 2025, the population of Iran grew by 0.93%, while Nigeria's population grew by 2.08%.
Live population counters
|
Iran
|
Nigeria
|
|
|---|---|---|
| Current population |
93580141
|
245016045
|
| Population rank | 17/197 | 6/197 |
| Percent of world population | 1.13% | 2.95% |
| One net population change |
37.2 seconds
|
6.52 seconds
|
| One birth every |
27.4 seconds
|
4.17 seconds
|
| One death every |
1.21 minutes
|
11.6 seconds
|
| Daily growth/decline | +2,329 | +13,283 |
| Annual growth/decline | +849,943 | +4,848,304 |
| Annual growth/decline rate | +0.93% | +2.08% |
| Population growth rate rank | 103/197 | 45/197 |
| One migration net change every |
4.51 minutes
|
34.5 minutes
|
| Annual migration change | +116,786 | -15,258 |
| Net migration rank | 14/196 | 145/196 |
| Foreign-born residents | 3,840,654 | 1,403,281 |
| Foreign-born residents rank | 17/195 | 49/195 |
| Foreign-born share of population | 4.2% | 0.6% |
| Foreign-born share rank | 103/195 | 173/195 |
Natural population change vs migration
| Year | Population change | |||
|---|---|---|---|---|
|
Iran
|
Nigeria
|
|||
| Natural | Migration | Natural | Migration | |
| 2025 | - | 116,786 | - | -15,258 |
| 2024 | 715,785 | 190,156 | 4,851,833 | -35,202 |
| 2023 | 750,150 | 262,044 | 4,834,309 | -57,936 |
| 2022 | 753,525 | 403,190 | 4,739,502 | -51,680 |
| 2021 | 645,725 | 334,967 | 4,641,562 | -86,115 |
| 2020 | 663,978 | -180,680 | 4,525,164 | -14,497 |
| 2019 | 893,063 | -32,794 | 4,609,941 | -99,722 |
| 2018 | 1,035,052 | -27,946 | 4,659,898 | -76,565 |
| 2017 | 1,140,549 | 34,849 | 4,706,183 | 78,685 |
| 2016 | 1,186,949 | 66,630 | 4,761,594 | 75,265 |
| 2015 | 1,178,317 | -46,239 | 4,823,045 | -116,162 |
| 2014 | 1,158,552 | -56,042 | 4,862,319 | -19,376 |
| 2013 | 1,119,533 | -47,322 | 4,811,751 | 40,201 |
| 2012 | 1,073,804 | -57,823 | 4,774,508 | 71,138 |
| 2011 | 1,023,925 | -65,924 | 4,728,363 | 67,808 |
| 2010 | 980,380 | -12,849 | 4,629,173 | 47,966 |
| 2009 | 958,322 | 211 | 4,528,149 | -18,422 |
| 2008 | 940,983 | -12,184 | 4,412,976 | -13,646 |
| 2007 | 919,254 | -24,950 | 4,265,428 | -9,162 |
| 2006 | 884,529 | 640,932 | 4,135,703 | -12,093 |
| 2005 | 837,305 | 765,873 | 4,013,788 | -17,146 |
| 2004 | 801,203 | 739,996 | 3,877,376 | 46,370 |
| 2003 | 732,600 | 700,222 | 3,751,120 | 33,857 |
| 2002 | 752,205 | -668,962 | 3,606,814 | 69,594 |
| 2001 | 743,658 | 291,692 | 3,478,370 | 64,163 |
| 2000 | 731,203 | 300,133 | 3,343,196 | 74,535 |
| 1999 | 723,237 | 191,988 | 3,155,425 | 97,195 |
| 1998 | 717,655 | 218,171 | 3,003,946 | 145,575 |
| 1997 | 726,574 | 98,009 | 2,936,500 | 96,885 |
| 1996 | 784,508 | -92,435 | 2,882,205 | 84,448 |
| 1995 | 879,648 | -220,258 | 2,830,771 | 73,243 |
| 1994 | 1,008,076 | -297,487 | 2,735,198 | 128,134 |
| 1993 | 1,219,658 | -1,696,091 | 2,673,675 | 90,200 |
| 1992 | 1,365,466 | -451,945 | 2,596,173 | 138,412 |
| 1991 | 1,495,594 | -13,059 | 2,527,807 | 42,760 |
| 1990 | 1,530,434 | 200,711 | 2,491,928 | 135,959 |
| 1989 | 1,609,739 | 9,460 | 2,452,324 | 99,588 |
| 1988 | 1,614,512 | 30,688 | 2,376,419 | 93,510 |
| 1987 | 1,639,644 | 213,524 | 2,322,397 | 64,418 |
| 1986 | 1,659,289 | 242,411 | 2,295,003 | 29,682 |
| 1985 | 1,661,750 | 163,999 | 2,289,784 | 61,514 |
| 1984 | 1,653,051 | 97,748 | 2,278,060 | 113,758 |
| 1983 | 1,573,612 | 204,544 | 2,292,089 | -507,539 |
| 1982 | 1,514,240 | 222,390 | 2,233,401 | 101,116 |
| 1981 | 1,376,830 | 1,452,169 | 2,179,884 | 106,723 |
| 1980 | 1,361,293 | 103,674 | 2,121,618 | 198,672 |
| 1979 | 1,294,306 | 75,451 | 2,074,807 | 137,721 |
| 1978 | 1,156,974 | 70,088 | 2,019,621 | 111,258 |
| 1977 | 1,091,542 | 68,093 | 1,923,917 | 129,075 |
| 1976 | 1,013,347 | 18,825 | 1,827,289 | 72,889 |
| 1975 | 929,481 | 106,921 | 1,718,623 | 75,603 |
| 1974 | 873,369 | 103,252 | 1,624,813 | 44,281 |
| 1973 | 831,880 | 104,779 | 1,525,485 | -618 |
| 1972 | 804,043 | 96,614 | 1,448,928 | -12,962 |
| 1971 | 805,830 | 77,717 | 1,373,896 | -35,639 |
| 1970 | 794,612 | 89,757 | 1,295,507 | 7,953 |
| 1969 | 780,660 | 78,196 | 1,213,484 | 6,912 |
| 1968 | 743,992 | 69,342 | 1,168,254 | 9,615 |
| 1967 | 727,276 | 77,313 | 1,082,884 | 18,683 |
| 1966 | 695,040 | 98,709 | 1,095,582 | 12,513 |
| 1965 | 663,029 | 127,808 | 1,061,840 | 32,988 |
| 1964 | 635,589 | 121,817 | 1,028,272 | 26,411 |
| 1963 | 620,126 | 110,190 | 995,116 | 27,115 |
| 1962 | 595,538 | 96,332 | 966,452 | 27,906 |
| 1961 | 594,674 | 77,811 | 932,111 | 25,515 |
| 1960 | 584,060 | 54,041 | 901,301 | 12,131 |
Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08).
GeoRank.org/population/iran/nigeria | CC BY
Over the last 10 years, 89.9% of the population change in Iran is from natural causes (a gain of 8,963,093 people) and 10.1% is from migration (a gain of 1,004,177 people). In Nigeria 99.2% is from natural causes (a gain of 47,153,031 people) and 0.81% is from migration (a loss of 383,929 people).
As of 2024, 3,840,654 residents or 4.2% of the population were not native-born in Iran, compared to 1,403,281 people or 0.6% in Nigeria.
Biggest cities by population
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Population differences between Iran and Nigeria
|
Iran
|
Nigeria
|
|
|---|---|---|
| Life expectancy | 78.2 years | 55 years |
| Average age | 34.7 years | 23.6 years |
| Median age | 35 years | 19.2 years |
| Male:Female ratio | 50.8:49.2 | 50.6:49.4 |
| Fertility rate | 1.68 births per woman | 4.38 births per woman |
| Population density | 148.8 ppl/mi² | 689 ppl/mi² |
Population map with other countries
Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08); United Nations | World Population Prospects (1960–2026, retrieved 2026-07-08); U.S. Census Bureau (1960–2025, retrieved 2026-07-08); Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08).
GeoRank.org/population/iran/nigeria | CC BY
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Data sources:
- World Bank | Health (1960–2025, retrieved 2026-07-08)
- United Nations | World Population Prospects (1960–2100, retrieved 2026-07-08)
- U.S. Census Bureau (1960–2025, retrieved 2026-07-08)
- Wikidata (2026, retrieved 2026-07-08)
- Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08)
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