The latest officially reported population of Sao Tome and Principe was 240,254 in 2025 vs 36,973,555 people in Saudi Arabia in 2025. In 2026, based on the adjusted UN estimation, the current Sao Tome and Principe's population is 247,495 people compared to 37,955,120 in Saudi Arabia.
Population statistics:
- Saudi Arabia's population is 153.4 times bigger than Sao Tome and Principe's.
- Sao Tome and Principe is ranked the 176th most populous country in the world, while Saudi Arabia is the 43rd.
- The countries together account for 0.46% of the world: 0.003% for Sao Tome and Principe vs 0.46% for Saudi Arabia.
- For the last 10 years, Sao Tome and Principe has had an average growth rate of +1.83% per year vs +2.5% in Saudi Arabia.
- Since 2006, the population of Sao Tome and Principe has increased from 166K people to 247K (49.4% growth), while Saudi Arabia has grown from 21.5M to 38M (76.9% growth).
Sao Tome and Principe vs Saudi Arabia: population by year and forecast
| Year | Population | |
|---|---|---|
Sao Tome
|
Saudi Arabia
|
|
| 2100 | 538,656 | 76,380,382 |
| 2099 | 537,257 | 75,896,692 |
| 2098 | 535,715 | 75,410,485 |
| 2097 | 534,052 | 74,922,342 |
| 2096 | 532,281 | 74,431,436 |
| 2095 | 530,505 | 73,939,761 |
| 2094 | 528,585 | 73,447,628 |
| 2093 | 526,572 | 72,954,272 |
| 2092 | 524,436 | 72,460,372 |
| 2091 | 522,255 | 71,966,760 |
| 2090 | 519,929 | 71,474,363 |
| 2089 | 517,542 | 70,984,330 |
| 2088 | 515,028 | 70,494,851 |
| 2087 | 512,499 | 70,006,368 |
| 2086 | 509,949 | 69,519,641 |
| 2085 | 507,271 | 69,035,093 |
| 2084 | 504,516 | 68,551,533 |
| 2083 | 501,611 | 68,068,933 |
| 2082 | 498,655 | 67,587,034 |
| 2081 | 495,622 | 67,105,252 |
| 2080 | 492,416 | 66,624,751 |
| 2079 | 489,178 | 66,144,495 |
| 2078 | 485,864 | 65,664,508 |
| 2077 | 482,385 | 65,183,768 |
| 2076 | 478,877 | 64,701,603 |
| 2075 | 475,315 | 64,217,651 |
| 2074 | 471,700 | 63,731,809 |
| 2073 | 468,051 | 63,243,084 |
| 2072 | 464,286 | 62,750,764 |
| 2071 | 460,447 | 62,255,408 |
| 2070 | 456,490 | 61,756,796 |
| 2069 | 452,388 | 61,253,878 |
| 2068 | 448,306 | 60,746,216 |
| 2067 | 444,092 | 60,235,232 |
| 2066 | 439,773 | 59,720,954 |
| 2065 | 435,502 | 59,203,814 |
| 2064 | 431,068 | 58,684,254 |
| 2063 | 426,645 | 58,161,702 |
| 2062 | 422,127 | 57,637,152 |
| 2061 | 417,629 | 57,109,207 |
| 2060 | 413,061 | 56,579,736 |
| 2059 | 408,522 | 56,047,666 |
| 2058 | 403,970 | 55,513,281 |
| 2057 | 399,359 | 54,978,393 |
| 2056 | 394,790 | 54,441,706 |
| 2055 | 390,100 | 53,904,081 |
| 2054 | 385,416 | 53,364,635 |
| 2053 | 380,685 | 52,823,422 |
| 2052 | 375,964 | 52,280,914 |
| 2051 | 371,143 | 51,737,228 |
| 2050 | 366,347 | 51,192,924 |
| 2049 | 361,542 | 50,647,663 |
| 2048 | 356,694 | 50,100,576 |
| 2047 | 351,813 | 49,552,613 |
| 2046 | 346,841 | 49,002,774 |
| 2045 | 341,791 | 48,451,215 |
| 2044 | 336,747 | 47,898,754 |
| 2043 | 331,669 | 47,346,122 |
| 2042 | 326,608 | 46,792,504 |
| 2041 | 321,551 | 46,237,820 |
| 2040 | 316,415 | 45,682,139 |
| 2039 | 311,237 | 45,126,407 |
| 2038 | 306,029 | 44,569,427 |
| 2037 | 300,834 | 44,012,415 |
| 2036 | 295,584 | 43,454,985 |
| 2035 | 290,361 | 42,897,909 |
| 2034 | 285,145 | 42,342,044 |
| 2033 | 279,952 | 41,787,423 |
| 2032 | 274,798 | 41,233,964 |
| 2031 | 269,704 | 40,680,599 |
| 2030 | 264,687 | 40,128,273 |
| 2029 | 259,670 | 39,530,306 |
| 2028 | 254,717 | 38,906,191 |
| 2027 | 249,827 | 38,267,271 |
| 2026 | 245,033 | 37,625,434 |
| 2025 | 240,254 | 36,973,555 |
| 2024 | 235,536 | 35,300,280 |
| 2023 | 230,871 | 33,702,731 |
| 2022 | 226,305 | 32,175,224 |
| 2021 | 221,961 | 30,784,383 |
| 2020 | 217,435 | 31,552,510 |
| 2019 | 213,392 | 30,063,799 |
| 2018 | 210,187 | 30,196,281 |
| 2017 | 206,970 | 30,977,355 |
| 2016 | 203,689 | 30,954,198 |
| 2015 | 200,291 | 29,816,382 |
| 2014 | 196,767 | 28,309,273 |
| 2013 | 193,148 | 27,624,004 |
| 2012 | 189,439 | 26,168,861 |
| 2011 | 185,649 | 25,091,867 |
| 2010 | 181,802 | 23,978,487 |
| 2009 | 177,853 | 24,217,654 |
| 2008 | 173,793 | 23,287,877 |
| 2007 | 169,700 | 22,368,313 |
| 2006 | 165,638 | 21,459,144 |
| 2005 | 161,639 | 20,559,890 |
| 2004 | 157,705 | 19,669,480 |
| 2003 | 153,814 | 18,786,767 |
| 2002 | 149,922 | 17,910,910 |
| 2001 | 146,375 | 17,041,397 |
| 2000 | 144,018 | 16,177,722 |
| 1999 | 142,442 | 15,472,075 |
| 1998 | 140,751 | 14,922,185 |
| 1997 | 138,922 | 14,374,943 |
| 1996 | 136,962 | 13,831,009 |
| 1995 | 134,895 | 13,289,245 |
| 1994 | 132,732 | 12,750,040 |
| 1993 | 130,467 | 12,215,862 |
| 1992 | 128,110 | 11,686,676 |
| 1991 | 125,697 | 11,160,744 |
| 1990 | 122,980 | 10,640,691 |
| 1989 | 119,979 | 10,128,394 |
| 1988 | 116,939 | 9,629,165 |
| 1987 | 113,919 | 9,130,194 |
| 1986 | 111,150 | 8,628,639 |
| 1985 | 108,658 | 8,151,779 |
| 1984 | 106,394 | 7,697,307 |
| 1983 | 104,380 | 7,252,941 |
| 1982 | 102,508 | 6,824,486 |
| 1981 | 100,615 | 6,420,551 |
| 1980 | 98,544 | 6,047,997 |
| 1979 | 96,252 | 5,703,698 |
| 1978 | 93,794 | 5,381,902 |
| 1977 | 91,301 | 5,083,048 |
| 1976 | 88,922 | 4,807,933 |
| 1975 | 86,708 | 4,556,287 |
| 1974 | 84,672 | 4,323,632 |
| 1973 | 82,798 | 4,106,344 |
| 1972 | 81,041 | 3,905,722 |
| 1971 | 79,330 | 3,724,031 |
| 1970 | 77,626 | 3,562,470 |
| 1969 | 76,083 | 3,417,114 |
| 1968 | 74,765 | 3,282,711 |
| 1967 | 73,596 | 3,157,242 |
| 1966 | 72,576 | 3,039,887 |
| 1965 | 71,680 | 2,928,771 |
| 1964 | 70,865 | 2,821,968 |
| 1963 | 70,112 | 2,719,341 |
| 1962 | 69,403 | 2,620,910 |
| 1961 | 68,707 | 2,526,347 |
| 1960 | 68,012 | 2,435,403 |
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/sao-tome-and-principe/saudi-arabia | CC BY 
From 2006 to 2016, the population of Sao Tome and Principe increased by 38,051 people (a 23% growth), while Saudi Arabia gained 9,495,054 people (a 44.2% growth).
For the next 10 years, from 2016 to 2026, Sao Tome and Principe gained 43,806 people (a 21.5% growth), while Saudi Arabia's population increased by 7,000,922 people (a 22.6% growth).
Sao Tome and Principe was ranked 178th most populous country in 2006 and is 176th in 2026. Saudi Arabia was ranked 50th in 2006 and ranked 43rd now.
The UN's World Population Prospects forecasts that in 24 years (in 2050) Sao Tome and Principe's population will grow by 48% to 366,347 people with a rank change from 176th to 175th. The population of Saudi Arabia will increase by 34.9% to 51,192,924 people and rank change from 43rd to 42nd.
Sao Tome and Principe is projected to reach its peak in 2100 at 539K people compared to the peak of 76.4M people in 2100 for Saudi Arabia.
Population growth rate by year
| Year | Growth rate | |
|---|---|---|
|
Sao Tome
|
Saudi Arabia
|
|
| 2100 | 0.26% | 0.64% |
| 2099 | 0.29% | 0.64% |
| 2098 | 0.31% | 0.65% |
| 2097 | 0.33% | 0.66% |
| 2096 | 0.33% | 0.66% |
| 2095 | 0.36% | 0.67% |
| 2094 | 0.38% | 0.68% |
| 2093 | 0.41% | 0.68% |
| 2092 | 0.42% | 0.69% |
| 2091 | 0.45% | 0.69% |
| 2090 | 0.46% | 0.69% |
| 2089 | 0.49% | 0.69% |
| 2088 | 0.49% | 0.7% |
| 2087 | 0.5% | 0.7% |
| 2086 | 0.53% | 0.7% |
| 2085 | 0.55% | 0.71% |
| 2084 | 0.58% | 0.71% |
| 2083 | 0.59% | 0.71% |
| 2082 | 0.61% | 0.72% |
| 2081 | 0.65% | 0.72% |
| 2080 | 0.66% | 0.73% |
| 2079 | 0.68% | 0.73% |
| 2078 | 0.72% | 0.74% |
| 2077 | 0.73% | 0.75% |
| 2076 | 0.75% | 0.75% |
| 2075 | 0.77% | 0.76% |
| 2074 | 0.78% | 0.77% |
| 2073 | 0.81% | 0.78% |
| 2072 | 0.83% | 0.8% |
| 2071 | 0.87% | 0.81% |
| 2070 | 0.91% | 0.82% |
| 2069 | 0.91% | 0.84% |
| 2068 | 0.95% | 0.85% |
| 2067 | 0.98% | 0.86% |
| 2066 | 0.98% | 0.87% |
| 2065 | 1.03% | 0.89% |
| 2064 | 1.04% | 0.9% |
| 2063 | 1.07% | 0.91% |
| 2062 | 1.08% | 0.92% |
| 2061 | 1.11% | 0.94% |
| 2060 | 1.11% | 0.95% |
| 2059 | 1.13% | 0.96% |
| 2058 | 1.15% | 0.97% |
| 2057 | 1.16% | 0.99% |
| 2056 | 1.2% | 1% |
| 2055 | 1.22% | 1.01% |
| 2054 | 1.24% | 1.02% |
| 2053 | 1.26% | 1.04% |
| 2052 | 1.3% | 1.05% |
| 2051 | 1.31% | 1.06% |
| 2050 | 1.33% | 1.08% |
| 2049 | 1.36% | 1.09% |
| 2048 | 1.39% | 1.11% |
| 2047 | 1.43% | 1.12% |
| 2046 | 1.48% | 1.14% |
| 2045 | 1.5% | 1.15% |
| 2044 | 1.53% | 1.17% |
| 2043 | 1.55% | 1.18% |
| 2042 | 1.57% | 1.2% |
| 2041 | 1.62% | 1.22% |
| 2040 | 1.66% | 1.23% |
| 2039 | 1.7% | 1.25% |
| 2038 | 1.73% | 1.27% |
| 2037 | 1.78% | 1.28% |
| 2036 | 1.8% | 1.3% |
| 2035 | 1.83% | 1.31% |
| 2034 | 1.85% | 1.33% |
| 2033 | 1.88% | 1.34% |
| 2032 | 1.89% | 1.36% |
| 2031 | 1.9% | 1.38% |
| 2030 | 1.93% | 1.51% |
| 2029 | 1.94% | 1.6% |
| 2028 | 1.96% | 1.67% |
| 2027 | 1.96% | 1.71% |
| 2026 | 1.99% | 1.76% |
| 2025 | 2% | 4.74% |
| 2024 | 2.02% | 4.74% |
| 2023 | 2.02% | 4.75% |
| 2022 | 1.96% | 4.52% |
| 2021 | 2.08% | -2.43% |
| 2020 | 1.89% | 4.95% |
| 2019 | 1.52% | -0.44% |
| 2018 | 1.55% | -2.52% |
| 2017 | 1.61% | 0.07% |
| 2016 | 1.7% | 3.82% |
| 2015 | 1.79% | 5.32% |
| 2014 | 1.87% | 2.48% |
| 2013 | 1.96% | 5.56% |
| 2012 | 2.04% | 4.29% |
| 2011 | 2.12% | 4.64% |
| 2010 | 2.22% | -0.99% |
| 2009 | 2.34% | 3.99% |
| 2008 | 2.41% | 4.11% |
| 2007 | 2.45% | 4.24% |
| 2006 | 2.47% | 4.37% |
| 2005 | 2.49% | 4.53% |
| 2004 | 2.53% | 4.7% |
| 2003 | 2.6% | 4.89% |
| 2002 | 2.42% | 5.1% |
| 2001 | 1.64% | 5.34% |
| 2000 | 1.11% | 4.56% |
| 1999 | 1.2% | 3.69% |
| 1998 | 1.32% | 3.81% |
| 1997 | 1.43% | 3.93% |
| 1996 | 1.53% | 4.08% |
| 1995 | 1.63% | 4.23% |
| 1994 | 1.74% | 4.37% |
| 1993 | 1.84% | 4.53% |
| 1992 | 1.92% | 4.71% |
| 1991 | 2.21% | 4.89% |
| 1990 | 2.5% | 5.06% |
| 1989 | 2.6% | 5.18% |
| 1988 | 2.65% | 5.47% |
| 1987 | 2.49% | 5.81% |
| 1986 | 2.29% | 5.85% |
| 1985 | 2.13% | 5.9% |
| 1984 | 1.93% | 6.13% |
| 1983 | 1.83% | 6.28% |
| 1982 | 1.88% | 6.29% |
| 1981 | 2.1% | 6.16% |
| 1980 | 2.38% | 6.04% |
| 1979 | 2.62% | 5.98% |
| 1978 | 2.73% | 5.88% |
| 1977 | 2.68% | 5.72% |
| 1976 | 2.55% | 5.52% |
| 1975 | 2.4% | 5.38% |
| 1974 | 2.26% | 5.29% |
| 1973 | 2.17% | 5.14% |
| 1972 | 2.16% | 4.88% |
| 1971 | 2.2% | 4.54% |
| 1970 | 2.03% | 4.25% |
| 1969 | 1.76% | 4.09% |
| 1968 | 1.59% | 3.97% |
| 1967 | 1.41% | 3.86% |
| 1966 | 1.25% | 3.79% |
| 1965 | 1.15% | 3.78% |
| 1964 | 1.07% | 3.77% |
| 1963 | 1.02% | 3.76% |
| 1962 | 1.01% | 3.74% |
| 1961 | 1.02% | 3.73% |
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/sao-tome-and-principe/saudi-arabia | CC BY
In 2025, the population of Sao Tome and Principe grew by 2%, while Saudi Arabia's population grew by 4.74%.
Live population counters
|
Sao Tome
|
Saudi Arabia
|
|
|---|---|---|
| Current population |
247495
|
37955120
|
| Population rank | 176/197 | 43/197 |
| Percent of world population | 0.003% | 0.46% |
| One net population change |
1.86 hours
|
18.9 seconds
|
| One birth every |
1.32 hours
|
54.2 seconds
|
| One death every |
6.73 hours
|
6.37 minutes
|
| Daily growth/decline | +13 | +4,584 |
| Annual growth/decline | +4,718 | +1,673,275 |
| Annual growth/decline rate | +2% | +4.74% |
| Population growth rate rank | 50/197 | 2/197 |
| One migration net change every |
13.5 hours
|
4.4 minutes
|
| Annual migration change | -650 | +119,738 |
| Net migration rank | 90/196 | 13/196 |
| Foreign-born residents | 1,955 | 13,683,841 |
| Foreign-born residents rank | 194/195 | 3/195 |
| Foreign-born share of population | 0.8% | 40.3% |
| Foreign-born share rank | 162/195 | 14/195 |
Natural population change vs migration
| Year | Population change | |||
|---|---|---|---|---|
|
Sao Tome
|
Saudi Arabia
|
|||
| Natural | Migration | Natural | Migration | |
| 2025 | - | -650 | - | 119,738 |
| 2024 | 5,315 | -604 | 499,782 | 122,170 |
| 2023 | 5,221 | -592 | 474,366 | 325,691 |
| 2022 | 5,102 | -592 | 406,920 | 977,072 |
| 2021 | 4,954 | -782 | 409,032 | -106,287 |
| 2020 | 4,874 | 0 | 447,036 | -74,725 |
| 2019 | 4,932 | -1,716 | 474,407 | 191,582 |
| 2018 | 4,957 | -1,757 | 528,767 | -988,751 |
| 2017 | 5,007 | -1,779 | 546,751 | -920,812 |
| 2016 | 5,125 | -1,793 | 537,829 | -26,997 |
| 2015 | 5,269 | -1,809 | 511,023 | 465,292 |
| 2014 | 5,381 | -1,801 | 493,431 | 469,144 |
| 2013 | 5,449 | -1,787 | 475,299 | 485,794 |
| 2012 | 5,501 | -1,739 | 465,649 | 479,206 |
| 2011 | 5,445 | -1,616 | 443,675 | 491,253 |
| 2010 | 5,391 | -1,529 | 418,641 | 504,955 |
| 2009 | 5,349 | -1,328 | 438,557 | 496,229 |
| 2008 | 5,297 | -1,203 | 433,457 | 491,337 |
| 2007 | 5,226 | -1,127 | 425,199 | 489,136 |
| 2006 | 5,057 | -1,031 | 399,333 | 504,661 |
| 2005 | 4,897 | -941 | 375,938 | 518,565 |
| 2004 | 4,810 | -894 | 362,843 | 523,472 |
| 2003 | 4,702 | -816 | 364,520 | 514,606 |
| 2002 | 4,591 | -690 | 372,099 | 500,508 |
| 2001 | 4,471 | -1,289 | 382,153 | 484,252 |
| 2000 | 4,334 | -2,798 | 392,407 | 468,515 |
| 1999 | 4,221 | -2,594 | 390,112 | 160,263 |
| 1998 | 4,120 | -2,364 | 389,499 | 159,898 |
| 1997 | 4,041 | -2,153 | 385,033 | 160,066 |
| 1996 | 3,993 | -1,974 | 382,248 | 160,532 |
| 1995 | 3,948 | -1,829 | 380,231 | 160,512 |
| 1994 | 3,860 | -1,644 | 377,351 | 160,306 |
| 1993 | 3,841 | -1,527 | 372,621 | 158,074 |
| 1992 | 3,822 | -1,432 | 366,763 | 160,908 |
| 1991 | 3,801 | -1,362 | 361,329 | 162,857 |
| 1990 | 3,719 | -727 | 355,495 | 160,416 |
| 1989 | 3,576 | -571 | 349,399 | 159,273 |
| 1988 | 3,544 | -465 | 342,865 | 146,918 |
| 1987 | 3,440 | -470 | 333,088 | 175,075 |
| 1986 | 3,180 | -614 | 322,340 | 172,606 |
| 1985 | 3,242 | -828 | 310,558 | 148,208 |
| 1984 | 3,163 | -1,041 | 296,615 | 153,562 |
| 1983 | 3,100 | -1,203 | 280,616 | 157,930 |
| 1982 | 3,047 | -1,203 | 264,831 | 153,528 |
| 1981 | 3,015 | -1,067 | 249,156 | 140,355 |
| 1980 | 2,965 | -770 | 234,372 | 121,220 |
| 1979 | 2,893 | -491 | 220,186 | 112,826 |
| 1978 | 2,800 | -279 | 205,331 | 105,263 |
| 1977 | 2,705 | -255 | 191,103 | 96,015 |
| 1976 | 2,608 | -302 | 178,024 | 85,083 |
| 1975 | 2,515 | -392 | 166,223 | 73,960 |
| 1974 | 2,422 | -474 | 155,478 | 69,653 |
| 1973 | 2,329 | -525 | 145,450 | 63,995 |
| 1972 | 2,232 | -517 | 136,360 | 55,439 |
| 1971 | 2,127 | -430 | 127,600 | 43,989 |
| 1970 | 1,980 | -279 | 120,440 | 31,097 |
| 1969 | 1,862 | -469 | 113,859 | 25,312 |
| 1968 | 1,767 | -520 | 108,281 | 21,366 |
| 1967 | 1,693 | -606 | 103,343 | 17,947 |
| 1966 | 1,642 | -688 | 98,361 | 15,054 |
| 1965 | 1,611 | -765 | 93,820 | 15,000 |
| 1964 | 1,600 | -819 | 89,776 | 15,000 |
| 1963 | 1,609 | -886 | 85,480 | 15,000 |
| 1962 | 1,625 | -927 | 81,393 | 15,000 |
| 1961 | 1,657 | -960 | 77,743 | 15,000 |
| 1960 | 1,547 | -860 | 74,143 | 15,000 |
Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08).
GeoRank.org/population/sao-tome-and-principe/saudi-arabia | CC BY
Over the last 10 years, 81.6% of the population change in Sao Tome and Principe is from natural causes (a gain of 50,756 people) and 18.4% is from migration (a loss of 11,424 people). In Saudi Arabia 99.3% is from natural causes (a gain of 4,835,913 people) and 0.73% is from migration (a loss of 35,765 people).
As of 2024, 1,955 residents or 0.8% of the population were not native-born in Sao Tome and Principe, compared to 13,683,841 people or 40.3% in Saudi Arabia.
Biggest cities by population
|
Sao Tome
|
|
|---|---|
| City | Population |
| Sao Tome | 65.5K |
| Trindade | 6.64K |
|
Saudi Arabia
|
|
|---|---|
| City | Population |
| Riyadh | 7.01M |
| Jeddah | 4.7M |
| Mecca | 2.43M |
| Medina | 1.41M |
| Dammam | 903K |
| Tabuk | 886K |
| Qatif | 625K |
| Jubail | 379K |
| Ha'il | 311K |
| Yanbu | 299K |
Compare countries by 7 more topics
Population differences between Sao Tome and Principe and Saudi Arabia
|
Sao Tome
|
Saudi Arabia
|
|
|---|---|---|
| Life expectancy | 70.3 years | 79.4 years |
| Average age | 25.2 years | 30.3 years |
| Median age | 20.5 years | 30.6 years |
| Male:Female ratio | 49.7:50.3 | 60.4:39.6 |
| Fertility rate | 3.6 births per woman | 2.31 births per woman |
| Population density | 661 ppl/mi² | 45.3 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/sao-tome-and-principe/saudi-arabia | 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)
- Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08)
- Wikidata (2026, retrieved 2026-07-08)
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