The latest officially reported population of Bulgaria was 6,441,421 in 2024 vs 91,567,738 people in Iran in 2024. In 2026, based on the adjusted UN estimation, the current Bulgaria's population is 6,359,449 people compared to 93,468,444 in Iran.
Population statistics:
- Iran's population is 14.7 times bigger than Bulgaria's.
- Bulgaria is ranked the 112th most populous country in the world, while Iran is the 17th.
- The countries together account for 1.2% of the world: 0.08% for Bulgaria vs 1.13% for Iran.
- For the last 10 years, Bulgaria has had an average growth rate of -0.96% per year vs +1.19% in Iran.
- Since 2006, the population of Bulgaria has decreased from 7.6M people to 6.36M (16.3% decline), while Iran has grown from 73.4M to 93.5M (27.4% growth).
Bulgaria vs Iran: population by year and forecast
| Year | Population | |
|---|---|---|
Bulgaria
|
Iran
|
|
| 2100 | 3,368,029 | 80,713,760 |
| 2099 | 3,392,444 | 81,246,718 |
| 2098 | 3,416,655 | 81,770,953 |
| 2097 | 3,440,938 | 82,295,714 |
| 2096 | 3,465,328 | 82,818,575 |
| 2095 | 3,489,216 | 83,338,446 |
| 2094 | 3,513,318 | 83,854,648 |
| 2093 | 3,537,356 | 84,371,569 |
| 2092 | 3,561,475 | 84,888,626 |
| 2091 | 3,585,597 | 85,410,099 |
| 2090 | 3,609,873 | 85,934,675 |
| 2089 | 3,634,642 | 86,466,409 |
| 2088 | 3,659,749 | 87,004,165 |
| 2087 | 3,685,668 | 87,549,685 |
| 2086 | 3,712,363 | 88,105,571 |
| 2085 | 3,739,898 | 88,668,329 |
| 2084 | 3,768,305 | 89,239,709 |
| 2083 | 3,797,217 | 89,817,194 |
| 2082 | 3,827,186 | 90,402,538 |
| 2081 | 3,857,721 | 90,995,822 |
| 2080 | 3,890,095 | 91,595,122 |
| 2079 | 3,923,403 | 92,196,842 |
| 2078 | 3,957,241 | 92,801,160 |
| 2077 | 3,992,168 | 93,405,954 |
| 2076 | 4,027,738 | 94,007,669 |
| 2075 | 4,064,356 | 94,606,607 |
| 2074 | 4,102,642 | 95,197,577 |
| 2073 | 4,141,518 | 95,783,994 |
| 2072 | 4,180,975 | 96,355,853 |
| 2071 | 4,221,261 | 96,915,335 |
| 2070 | 4,262,568 | 97,460,813 |
| 2069 | 4,304,304 | 97,988,897 |
| 2068 | 4,346,623 | 98,496,927 |
| 2067 | 4,389,924 | 98,978,509 |
| 2066 | 4,433,953 | 99,439,391 |
| 2065 | 4,478,521 | 99,877,457 |
| 2064 | 4,523,406 | 100,288,977 |
| 2063 | 4,568,385 | 100,668,199 |
| 2062 | 4,613,363 | 101,017,348 |
| 2061 | 4,658,825 | 101,332,810 |
| 2060 | 4,704,379 | 101,612,261 |
| 2059 | 4,749,738 | 101,858,931 |
| 2058 | 4,794,388 | 102,061,144 |
| 2057 | 4,839,236 | 102,228,085 |
| 2056 | 4,884,068 | 102,358,266 |
| 2055 | 4,929,309 | 102,449,092 |
| 2054 | 4,974,635 | 102,498,594 |
| 2053 | 5,020,162 | 102,508,245 |
| 2052 | 5,065,364 | 102,480,373 |
| 2051 | 5,110,833 | 102,417,847 |
| 2050 | 5,156,741 | 102,318,917 |
| 2049 | 5,202,941 | 102,189,816 |
| 2048 | 5,249,351 | 102,024,233 |
| 2047 | 5,296,642 | 101,832,213 |
| 2046 | 5,343,848 | 101,613,554 |
| 2045 | 5,391,354 | 101,371,784 |
| 2044 | 5,439,559 | 101,104,998 |
| 2043 | 5,488,407 | 100,818,045 |
| 2042 | 5,537,839 | 100,512,032 |
| 2041 | 5,588,510 | 100,188,214 |
| 2040 | 5,639,850 | 99,849,875 |
| 2039 | 5,692,028 | 99,501,869 |
| 2038 | 5,743,725 | 99,137,385 |
| 2037 | 5,796,645 | 98,759,167 |
| 2036 | 5,849,741 | 98,366,612 |
| 2035 | 5,902,025 | 97,963,082 |
| 2034 | 5,954,460 | 97,546,148 |
| 2033 | 6,007,050 | 97,118,106 |
| 2032 | 6,058,858 | 96,671,440 |
| 2031 | 6,111,118 | 96,204,118 |
| 2030 | 6,163,564 | 95,718,604 |
| 2029 | 6,214,784 | 95,195,996 |
| 2028 | 6,264,738 | 94,623,034 |
| 2027 | 6,313,255 | 93,987,260 |
| 2026 | 6,359,449 | 93,276,075 |
| 2025 | 6,402,394 | 92,478,162 |
| 2024 | 6,441,421 | 91,567,738 |
| 2023 | 6,446,596 | 90,608,707 |
| 2022 | 6,465,097 | 89,524,246 |
| 2021 | 6,507,301 | 88,455,488 |
| 2020 | 6,550,696 | 87,723,443 |
| 2019 | 6,616,726 | 87,051,648 |
| 2018 | 6,710,798 | 86,117,998 |
| 2017 | 6,803,468 | 85,026,754 |
| 2016 | 6,894,139 | 83,812,228 |
| 2015 | 6,984,225 | 82,619,362 |
| 2014 | 7,073,572 | 81,502,045 |
| 2013 | 7,160,005 | 80,414,686 |
| 2012 | 7,305,888 | 79,370,580 |
| 2011 | 7,348,328 | 78,383,598 |
| 2010 | 7,395,599 | 77,420,842 |
| 2009 | 7,444,443 | 76,457,825 |
| 2008 | 7,492,561 | 75,514,204 |
| 2007 | 7,545,338 | 74,602,648 |
| 2006 | 7,601,022 | 73,392,747 |
| 2005 | 7,658,972 | 71,828,455 |
| 2004 | 7,716,860 | 70,256,316 |
| 2003 | 7,775,327 | 68,769,340 |
| 2002 | 7,837,161 | 68,011,317 |
| 2001 | 8,009,142 | 67,452,005 |
| 2000 | 8,170,172 | 66,418,659 |
| 1999 | 8,210,624 | 65,445,391 |
| 1998 | 8,256,786 | 64,519,859 |
| 1997 | 8,312,068 | 63,639,638 |
| 1996 | 8,362,826 | 62,881,300 |
| 1995 | 8,406,067 | 62,205,567 |
| 1994 | 8,443,591 | 61,520,598 |
| 1993 | 8,472,313 | 61,403,543 |
| 1992 | 8,540,164 | 61,184,983 |
| 1991 | 8,632,367 | 59,986,931 |
| 1990 | 8,718,289 | 58,380,092 |
| 1989 | 8,876,972 | 56,704,914 |
| 1988 | 8,981,446 | 55,072,694 |
| 1987 | 8,971,359 | 53,323,493 |
| 1986 | 8,958,171 | 51,446,045 |
| 1985 | 8,960,547 | 49,582,289 |
| 1984 | 8,960,679 | 47,793,998 |
| 1983 | 8,939,738 | 46,029,535 |
| 1982 | 8,917,457 | 44,272,141 |
| 1981 | 8,891,117 | 41,989,312 |
| 1980 | 8,861,535 | 39,842,324 |
| 1979 | 8,825,940 | 38,424,952 |
| 1978 | 8,814,032 | 37,126,535 |
| 1977 | 8,804,183 | 35,933,181 |
| 1976 | 8,758,599 | 34,837,271 |
| 1975 | 8,720,742 | 33,802,973 |
| 1974 | 8,678,745 | 32,796,463 |
| 1973 | 8,620,967 | 31,839,838 |
| 1972 | 8,576,200 | 30,921,179 |
| 1971 | 8,536,395 | 30,029,071 |
| 1970 | 8,489,574 | 29,145,100 |
| 1969 | 8,434,172 | 28,273,482 |
| 1968 | 8,369,603 | 27,437,391 |
| 1967 | 8,310,226 | 26,628,432 |
| 1966 | 8,258,057 | 25,829,270 |
| 1965 | 8,204,168 | 25,036,978 |
| 1964 | 8,144,340 | 24,262,859 |
| 1963 | 8,078,145 | 23,519,005 |
| 1962 | 8,012,946 | 22,807,907 |
| 1961 | 7,943,118 | 22,125,726 |
| 1960 | 7,867,374 | 21,470,434 |
Data sources: United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10); World Bank | Health (1960–2024, retrieved 2026-04-06).
GeoRank.org/population/bulgaria/iran | CC BY 
From 2006 to 2016, the population of Bulgaria decreased by 706,883 people (a 9.3% decline), while Iran gained 10,419,481 people (a 14.2% growth).
For the next 10 years, from 2016 to 2026, Bulgaria lost 534,690 people (a 7.76% decline), while Iran's population increased by 9,656,216 people (a 11.5% growth).
Bulgaria was ranked 95th most populous country in 2006 and is 112th in 2026. Iran was ranked 17th in 2006 and still ranked 17th now.
The UN's World Population Prospects forecasts that in 24 years (in 2050) Bulgaria's population will shrink by 18.9% to 5,156,741 people with a rank change from 112th to 128th. The population of Iran will increase by 9.47% to 102,318,917 people and rank change from 17th to 18th.
Iran is projected to reach its peak in 2053 at 103M people, while Bulgaria's population already peaked in 1988 at 8.98M people and is projected to decrease to 3.37M people by 2100.
Population growth rate by year
| Year | Growth rate | |
|---|---|---|
|
Bulgaria
|
Iran
|
|
| 2100 | -0.72% | -0.66% |
| 2099 | -0.71% | -0.64% |
| 2098 | -0.71% | -0.64% |
| 2097 | -0.7% | -0.63% |
| 2096 | -0.68% | -0.62% |
| 2095 | -0.69% | -0.62% |
| 2094 | -0.68% | -0.61% |
| 2093 | -0.68% | -0.61% |
| 2092 | -0.67% | -0.61% |
| 2091 | -0.67% | -0.61% |
| 2090 | -0.68% | -0.61% |
| 2089 | -0.69% | -0.62% |
| 2088 | -0.7% | -0.62% |
| 2087 | -0.72% | -0.63% |
| 2086 | -0.74% | -0.63% |
| 2085 | -0.75% | -0.64% |
| 2084 | -0.76% | -0.64% |
| 2083 | -0.78% | -0.65% |
| 2082 | -0.79% | -0.65% |
| 2081 | -0.83% | -0.65% |
| 2080 | -0.85% | -0.65% |
| 2079 | -0.86% | -0.65% |
| 2078 | -0.87% | -0.65% |
| 2077 | -0.88% | -0.64% |
| 2076 | -0.9% | -0.63% |
| 2075 | -0.93% | -0.62% |
| 2074 | -0.94% | -0.61% |
| 2073 | -0.94% | -0.59% |
| 2072 | -0.95% | -0.58% |
| 2071 | -0.97% | -0.56% |
| 2070 | -0.97% | -0.54% |
| 2069 | -0.97% | -0.52% |
| 2068 | -0.99% | -0.49% |
| 2067 | -0.99% | -0.46% |
| 2066 | -1% | -0.44% |
| 2065 | -0.99% | -0.41% |
| 2064 | -0.98% | -0.38% |
| 2063 | -0.97% | -0.35% |
| 2062 | -0.98% | -0.31% |
| 2061 | -0.97% | -0.28% |
| 2060 | -0.95% | -0.24% |
| 2059 | -0.93% | -0.2% |
| 2058 | -0.93% | -0.16% |
| 2057 | -0.92% | -0.13% |
| 2056 | -0.92% | -0.09% |
| 2055 | -0.91% | -0.05% |
| 2054 | -0.91% | -0.009% |
| 2053 | -0.89% | 0.03% |
| 2052 | -0.89% | 0.06% |
| 2051 | -0.89% | 0.1% |
| 2050 | -0.89% | 0.13% |
| 2049 | -0.88% | 0.16% |
| 2048 | -0.89% | 0.19% |
| 2047 | -0.88% | 0.22% |
| 2046 | -0.88% | 0.24% |
| 2045 | -0.89% | 0.26% |
| 2044 | -0.89% | 0.28% |
| 2043 | -0.89% | 0.3% |
| 2042 | -0.91% | 0.32% |
| 2041 | -0.91% | 0.34% |
| 2040 | -0.92% | 0.35% |
| 2039 | -0.9% | 0.37% |
| 2038 | -0.91% | 0.38% |
| 2037 | -0.91% | 0.4% |
| 2036 | -0.89% | 0.41% |
| 2035 | -0.88% | 0.43% |
| 2034 | -0.88% | 0.44% |
| 2033 | -0.86% | 0.46% |
| 2032 | -0.86% | 0.49% |
| 2031 | -0.85% | 0.51% |
| 2030 | -0.82% | 0.55% |
| 2029 | -0.8% | 0.61% |
| 2028 | -0.77% | 0.68% |
| 2027 | -0.73% | 0.76% |
| 2026 | -0.67% | 0.86% |
| 2025 | -0.61% | 0.99% |
| 2024 | -0.08% | 1.06% |
| 2023 | -0.29% | 1.21% |
| 2022 | -0.65% | 1.21% |
| 2021 | -0.66% | 0.83% |
| 2020 | -1% | 0.77% |
| 2019 | -1.4% | 1.08% |
| 2018 | -1.36% | 1.28% |
| 2017 | -1.32% | 1.45% |
| 2016 | -1.29% | 1.44% |
| 2015 | -1.26% | 1.37% |
| 2014 | -1.21% | 1.35% |
| 2013 | -2% | 1.32% |
| 2012 | -0.58% | 1.26% |
| 2011 | -0.64% | 1.24% |
| 2010 | -0.66% | 1.26% |
| 2009 | -0.64% | 1.25% |
| 2008 | -0.7% | 1.22% |
| 2007 | -0.73% | 1.65% |
| 2006 | -0.76% | 2.18% |
| 2005 | -0.75% | 2.24% |
| 2004 | -0.75% | 2.16% |
| 2003 | -0.79% | 1.11% |
| 2002 | -2.15% | 0.83% |
| 2001 | -1.97% | 1.56% |
| 2000 | -0.49% | 1.49% |
| 1999 | -0.56% | 1.43% |
| 1998 | -0.67% | 1.38% |
| 1997 | -0.61% | 1.21% |
| 1996 | -0.51% | 1.09% |
| 1995 | -0.44% | 1.11% |
| 1994 | -0.34% | 0.19% |
| 1993 | -0.79% | 0.36% |
| 1992 | -1.07% | 2% |
| 1991 | -0.99% | 2.75% |
| 1990 | -1.79% | 2.95% |
| 1989 | -1.16% | 2.96% |
| 1988 | 0.11% | 3.28% |
| 1987 | 0.15% | 3.65% |
| 1986 | -0.03% | 3.76% |
| 1985 | -0.001% | 3.74% |
| 1984 | 0.23% | 3.83% |
| 1983 | 0.25% | 3.97% |
| 1982 | 0.3% | 5.44% |
| 1981 | 0.33% | 5.39% |
| 1980 | 0.4% | 3.69% |
| 1979 | 0.14% | 3.5% |
| 1978 | 0.11% | 3.32% |
| 1977 | 0.52% | 3.15% |
| 1976 | 0.43% | 3.06% |
| 1975 | 0.48% | 3.07% |
| 1974 | 0.67% | 3% |
| 1973 | 0.52% | 2.97% |
| 1972 | 0.47% | 2.97% |
| 1971 | 0.55% | 3.03% |
| 1970 | 0.66% | 3.08% |
| 1969 | 0.77% | 3.05% |
| 1968 | 0.71% | 3.04% |
| 1967 | 0.63% | 3.09% |
| 1966 | 0.66% | 3.16% |
| 1965 | 0.73% | 3.19% |
| 1964 | 0.82% | 3.16% |
| 1963 | 0.81% | 3.12% |
| 1962 | 0.88% | 3.08% |
| 1961 | 0.96% | 3.05% |
Data sources: United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10); World Bank | Health (1961–2024, retrieved 2026-04-06).
GeoRank.org/population/bulgaria/iran | CC BY
In 2024, the population of Bulgaria declined by 0.08%, while Iran's population grew by 1.06%.
Live population counters
|
Bulgaria
|
Iran
|
|
|---|---|---|
| Current population |
6359449
|
93468444
|
| Population rank | 112/197 | 17/197 |
| Percent of world population | 0.08% | 1.13% |
| One net population change |
1.69 hours
|
32.9 seconds
|
| One birth every |
9.16 minutes
|
26.9 seconds
|
| One death every |
5.19 minutes
|
1.24 minutes
|
| Daily growth/decline | -14 | +2,627 |
| Annual growth/decline | -5,175 | +959,031 |
| Annual growth/decline rate | -0.08% | +1.06% |
| Population growth rate rank | 171/197 | 98/197 |
| One migration net change every |
2.97 hours
|
4.51 minutes
|
| Annual migration change | -2,961 | +116,786 |
| Net migration rank | 106/196 | 14/196 |
| Foreign-born residents | 299,100 | 3,840,654 |
| Foreign-born residents rank | 98/195 | 17/195 |
| Foreign-born share of population | 4.4% | 4.2% |
| Foreign-born share rank | 99/195 | 103/195 |
Natural population change vs migration
| Year | Population change | |||
|---|---|---|---|---|
|
Bulgaria
|
Iran
|
|||
| Natural | Migration | Natural | Migration | |
| 2025 | - | -2,961 | - | 116,786 |
| 2024 | - | 524 | - | 190,156 |
| 2023 | -43,837 | 5,173 | 750,150 | 262,044 |
| 2022 | -62,065 | 26,498 | 753,525 | 403,190 |
| 2021 | -90,452 | 11,756 | 645,725 | 334,967 |
| 2020 | -65,507 | 30,167 | 663,978 | -180,680 |
| 2019 | -46,317 | -2,156 | 893,063 | -32,794 |
| 2018 | -46,304 | -3,873 | 1,035,052 | -27,946 |
| 2017 | -45,583 | -6,109 | 1,140,549 | 34,849 |
| 2016 | -42,744 | -9,482 | 1,186,949 | 66,630 |
| 2015 | -44,699 | -4,227 | 1,178,317 | -46,239 |
| 2014 | -41,027 | -2,180 | 1,158,552 | -56,042 |
| 2013 | -37,948 | -1,324 | 1,119,533 | -47,322 |
| 2012 | -40,183 | -26,334 | 1,073,804 | -57,823 |
| 2011 | -37,477 | -23,360 | 1,023,925 | -65,924 |
| 2010 | -34,759 | -21,668 | 980,380 | -12,849 |
| 2009 | -26,800 | -19,060 | 958,322 | 211 |
| 2008 | -32,967 | -17,595 | 940,983 | -12,184 |
| 2007 | -37,727 | -16,366 | 919,254 | -24,950 |
| 2006 | -39,526 | -15,184 | 884,529 | 640,932 |
| 2005 | -42,124 | -14,435 | 837,305 | 765,873 |
| 2004 | -40,128 | -13,604 | 801,203 | 739,996 |
| 2003 | -44,319 | -13,183 | 732,600 | 700,222 |
| 2002 | -46,240 | -12,735 | 752,205 | -668,962 |
| 2001 | -44,050 | -30,726 | 743,658 | 291,692 |
| 2000 | -41,668 | -26,211 | 731,203 | 300,133 |
| 1999 | -39,411 | -23,846 | 723,237 | 191,988 |
| 1998 | -52,844 | -23,262 | 717,655 | 218,171 |
| 1997 | -58,185 | -22,963 | 726,574 | 98,009 |
| 1996 | -45,159 | -21,520 | 784,508 | -92,435 |
| 1995 | -42,030 | -22,020 | 879,648 | -220,258 |
| 1994 | -32,086 | -20,984 | 1,008,076 | -297,487 |
| 1993 | -24,569 | -19,973 | 1,219,658 | -1,696,091 |
| 1992 | -18,789 | -120,552 | 1,365,466 | -451,945 |
| 1991 | -14,675 | -119,356 | 1,495,594 | -13,059 |
| 1990 | -3,487 | -116,817 | 1,530,434 | 200,711 |
| 1989 | 5,326 | -114,705 | 1,609,739 | 9,460 |
| 1988 | 9,879 | 215 | 1,614,512 | 30,688 |
| 1987 | 8,971 | 357 | 1,639,644 | 213,524 |
| 1986 | 16,125 | 1,104 | 1,659,289 | 242,411 |
| 1985 | 11,649 | -19,230 | 1,661,750 | 163,999 |
| 1984 | 20,610 | -1,032 | 1,653,051 | 97,748 |
| 1983 | 21,455 | -1,872 | 1,573,612 | 204,544 |
| 1982 | 24,077 | -1,860 | 1,514,240 | 222,390 |
| 1981 | 29,341 | -1,830 | 1,376,830 | 1,452,169 |
| 1980 | 30,129 | -2,045 | 1,361,293 | 103,674 |
| 1979 | 40,599 | -872 | 1,294,306 | 75,451 |
| 1978 | 44,070 | -62,769 | 1,156,974 | 70,088 |
| 1977 | 47,543 | -11,955 | 1,091,542 | 68,093 |
| 1976 | 56,055 | -2,522 | 1,013,347 | 18,825 |
| 1975 | 54,941 | -38,071 | 929,481 | 106,921 |
| 1974 | 64,223 | -1,402 | 873,369 | 103,252 |
| 1973 | 57,760 | -5,409 | 831,880 | 104,779 |
| 1972 | 47,169 | -11,296 | 804,043 | 96,614 |
| 1971 | 52,925 | -7,654 | 805,830 | 77,717 |
| 1970 | 61,125 | -11,315 | 794,612 | 89,757 |
| 1969 | 63,256 | -3,204 | 780,660 | 78,196 |
| 1968 | 69,468 | -132 | 743,992 | 69,342 |
| 1967 | 49,861 | -420 | 727,276 | 77,313 |
| 1966 | 54,504 | -144 | 695,040 | 98,709 |
| 1965 | 58,249 | -1,406 | 663,029 | 127,808 |
| 1964 | 66,783 | 505 | 635,589 | 121,817 |
| 1963 | 66,241 | 500 | 620,126 | 110,190 |
| 1962 | 64,104 | 499 | 595,538 | 96,332 |
| 1961 | 75,460 | 378 | 594,674 | 77,811 |
| 1960 | 76,314 | -1,112 | 584,060 | 54,041 |
Data sources: World Bank | Health (1960–2025, retrieved 2026-04-06).
GeoRank.org/population/bulgaria/iran | CC BY
Over the last 10 years, 92.1% of the population change in Bulgaria is from natural causes (a loss of 528,535 people) and 7.94% is from migration (a gain of 45,567 people). In Iran 92.5% is from natural causes (a gain of 9,405,860 people) and 7.46% is from migration (a gain of 757,979 people).
As of 2024, 299,100 residents or 4.4% of the population were not native-born in Bulgaria, compared to 3,840,654 people or 4.2% in Iran.
Biggest cities by population
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Population differences between Bulgaria and Iran
|
Bulgaria
|
Iran
|
|
|---|---|---|
| Life expectancy | 76.1 years | 78.2 years |
| Average age | 44.1 years | 34.3 years |
| Median age | 45.5 years | 34.3 years |
| Male:Female ratio | 48.4:51.6 | 50.8:49.2 |
| Fertility rate | 1.81 births per woman | 1.7 births per woman |
| Population density | 151.7 ppl/mi² | 148.9 ppl/mi² |
Population map with other countries
Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06); United Nations | World Population Prospects (1960–2026, retrieved 2026-03-10); U.S. Census Bureau (1960–2025, retrieved 2026-02-08); Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20).
GeoRank.org/population/bulgaria/iran | CC BY
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Data sources:
- World Bank | Health (1960–2025, retrieved 2026-04-06)
- United Nations | World Population Prospects (1960–2100, retrieved 2026-03-10)
- U.S. Census Bureau (1960–2025, retrieved 2026-02-08)
- Wikidata (2026, retrieved 2026-02-08)
- Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20)
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