The latest officially reported population of Saudi Arabia was 35,300,280 in 2024 vs 8,642,022 people in Sierra Leone in 2024. In 2026, based on the adjusted UN estimation, the current Saudi Arabia's population is 36,734,925 people compared to 9,049,533 in Sierra Leone.
Population statistics:
- Saudi Arabia's population is 4.06 times bigger than Sierra Leone's.
- Saudi Arabia is ranked the 44th most populous country in the world, while Sierra Leone is the 101st.
- The countries together account for 0.55% of the world: 0.44% for Saudi Arabia vs 0.11% for Sierra Leone.
- For the last 10 years, Saudi Arabia has had an average growth rate of +2.3% per year vs +2.32% in Sierra Leone.
- Since 2006, the population of Saudi Arabia has increased from 21.5M people to 36.7M (71.2% growth), while Sierra Leone has grown from 5.62M to 9.05M (60.9% growth).
Saudi Arabia vs Sierra Leone: population by year and forecast
| Year | Population | |
|---|---|---|
Saudi Arabia
|
Sierra Leone
|
|
| 2100 | 74,230,118 | 16,111,324 |
| 2099 | 73,760,045 | 16,126,181 |
| 2098 | 73,287,526 | 16,139,280 |
| 2097 | 72,813,125 | 16,154,153 |
| 2096 | 72,336,039 | 16,164,923 |
| 2095 | 71,858,206 | 16,173,557 |
| 2094 | 71,379,928 | 16,173,155 |
| 2093 | 70,900,460 | 16,177,864 |
| 2092 | 70,420,464 | 16,175,032 |
| 2091 | 69,940,749 | 16,168,153 |
| 2090 | 69,462,214 | 16,158,415 |
| 2089 | 68,985,976 | 16,146,773 |
| 2088 | 68,510,277 | 16,133,018 |
| 2087 | 68,035,545 | 16,116,823 |
| 2086 | 67,562,521 | 16,089,780 |
| 2085 | 67,091,615 | 16,068,438 |
| 2084 | 66,621,667 | 16,044,782 |
| 2083 | 66,152,653 | 16,011,134 |
| 2082 | 65,684,321 | 15,975,073 |
| 2081 | 65,216,102 | 15,935,071 |
| 2080 | 64,749,128 | 15,896,846 |
| 2079 | 64,282,393 | 15,854,898 |
| 2078 | 63,815,918 | 15,805,607 |
| 2077 | 63,348,712 | 15,754,551 |
| 2076 | 62,880,120 | 15,699,439 |
| 2075 | 62,409,793 | 15,639,458 |
| 2074 | 61,937,628 | 15,584,377 |
| 2073 | 61,462,662 | 15,516,736 |
| 2072 | 60,984,202 | 15,446,543 |
| 2071 | 60,502,791 | 15,374,790 |
| 2070 | 60,018,216 | 15,297,449 |
| 2069 | 59,529,456 | 15,216,666 |
| 2068 | 59,036,086 | 15,128,048 |
| 2067 | 58,539,487 | 15,032,144 |
| 2066 | 58,039,687 | 14,935,222 |
| 2065 | 57,537,106 | 14,837,697 |
| 2064 | 57,032,172 | 14,740,749 |
| 2063 | 56,524,331 | 14,642,031 |
| 2062 | 56,014,549 | 14,529,557 |
| 2061 | 55,501,467 | 14,423,861 |
| 2060 | 54,986,901 | 14,311,215 |
| 2059 | 54,469,809 | 14,198,706 |
| 2058 | 53,950,469 | 14,080,827 |
| 2057 | 53,430,639 | 13,960,869 |
| 2056 | 52,909,061 | 13,836,132 |
| 2055 | 52,386,571 | 13,706,113 |
| 2054 | 51,862,312 | 13,579,802 |
| 2053 | 51,336,335 | 13,444,465 |
| 2052 | 50,809,100 | 13,303,409 |
| 2051 | 50,280,719 | 13,156,370 |
| 2050 | 49,751,739 | 13,010,109 |
| 2049 | 49,221,828 | 12,867,021 |
| 2048 | 48,690,143 | 12,716,015 |
| 2047 | 48,157,605 | 12,570,250 |
| 2046 | 47,623,246 | 12,414,307 |
| 2045 | 47,087,215 | 12,257,874 |
| 2044 | 46,550,306 | 12,092,075 |
| 2043 | 46,013,232 | 11,931,531 |
| 2042 | 45,475,200 | 11,770,467 |
| 2041 | 44,936,131 | 11,602,993 |
| 2040 | 44,396,093 | 11,431,337 |
| 2039 | 43,856,006 | 11,262,807 |
| 2038 | 43,314,707 | 11,100,099 |
| 2037 | 42,773,375 | 10,931,629 |
| 2036 | 42,231,639 | 10,760,758 |
| 2035 | 41,690,245 | 10,585,702 |
| 2034 | 41,150,029 | 10,413,826 |
| 2033 | 40,611,021 | 10,241,196 |
| 2032 | 40,073,144 | 10,062,575 |
| 2031 | 39,535,357 | 9,883,708 |
| 2030 | 38,998,581 | 9,708,038 |
| 2029 | 38,417,447 | 9,532,000 |
| 2028 | 37,810,902 | 9,360,873 |
| 2027 | 37,189,969 | 9,179,702 |
| 2026 | 36,566,201 | 9,001,269 |
| 2025 | 35,932,673 | 8,822,114 |
| 2024 | 35,300,280 | 8,642,022 |
| 2023 | 33,702,731 | 8,460,512 |
| 2022 | 32,175,224 | 8,276,807 |
| 2021 | 30,784,383 | 8,094,602 |
| 2020 | 31,552,510 | 7,912,558 |
| 2019 | 30,063,799 | 7,731,991 |
| 2018 | 30,196,281 | 7,554,563 |
| 2017 | 30,977,355 | 7,379,299 |
| 2016 | 30,954,198 | 7,205,328 |
| 2015 | 29,816,382 | 7,037,655 |
| 2014 | 28,309,273 | 6,876,385 |
| 2013 | 27,624,004 | 6,714,051 |
| 2012 | 26,168,861 | 6,551,080 |
| 2011 | 25,091,867 | 6,387,251 |
| 2010 | 23,978,487 | 6,222,714 |
| 2009 | 24,217,654 | 6,055,646 |
| 2008 | 23,287,877 | 5,894,722 |
| 2007 | 22,368,313 | 5,749,352 |
| 2006 | 21,459,144 | 5,624,466 |
| 2005 | 20,559,890 | 5,501,712 |
| 2004 | 19,669,480 | 5,355,717 |
| 2003 | 18,786,767 | 5,177,687 |
| 2002 | 17,910,910 | 4,971,435 |
| 2001 | 17,041,397 | 4,692,716 |
| 2000 | 16,177,722 | 4,423,611 |
| 1999 | 15,472,075 | 4,318,043 |
| 1998 | 14,922,185 | 4,295,785 |
| 1997 | 14,374,943 | 4,253,716 |
| 1996 | 13,831,009 | 4,199,210 |
| 1995 | 13,289,245 | 4,179,179 |
| 1994 | 12,750,040 | 4,173,105 |
| 1993 | 12,215,862 | 4,157,130 |
| 1992 | 11,686,676 | 4,166,366 |
| 1991 | 11,160,744 | 4,246,267 |
| 1990 | 10,640,691 | 4,196,828 |
| 1989 | 10,128,394 | 4,034,037 |
| 1988 | 9,629,165 | 3,934,517 |
| 1987 | 9,130,194 | 3,829,718 |
| 1986 | 8,628,639 | 3,728,380 |
| 1985 | 8,151,779 | 3,638,438 |
| 1984 | 7,697,307 | 3,558,758 |
| 1983 | 7,252,941 | 3,481,646 |
| 1982 | 6,824,486 | 3,408,183 |
| 1981 | 6,420,551 | 3,338,940 |
| 1980 | 6,047,997 | 3,272,089 |
| 1979 | 5,703,698 | 3,207,499 |
| 1978 | 5,381,902 | 3,145,517 |
| 1977 | 5,083,048 | 3,085,354 |
| 1976 | 4,807,933 | 3,028,820 |
| 1975 | 4,556,287 | 2,974,657 |
| 1974 | 4,323,632 | 2,920,459 |
| 1973 | 4,106,344 | 2,866,955 |
| 1972 | 3,905,722 | 2,814,388 |
| 1971 | 3,724,031 | 2,763,222 |
| 1970 | 3,562,470 | 2,712,286 |
| 1969 | 3,417,114 | 2,661,365 |
| 1968 | 3,282,711 | 2,611,532 |
| 1967 | 3,157,242 | 2,562,384 |
| 1966 | 3,039,887 | 2,514,638 |
| 1965 | 2,928,771 | 2,468,666 |
| 1964 | 2,821,968 | 2,424,390 |
| 1963 | 2,719,341 | 2,382,258 |
| 1962 | 2,620,910 | 2,342,242 |
| 1961 | 2,526,347 | 2,304,227 |
| 1960 | 2,435,403 | 2,268,356 |
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/saudi-arabia/sierra-leone | CC BY 
From 2006 to 2016, the population of Saudi Arabia increased by 9,495,054 people (a 44.2% growth), while Sierra Leone gained 1,580,862 people (a 28.1% growth).
For the next 10 years, from 2016 to 2026, Saudi Arabia gained 5,780,727 people (a 18.7% growth), while Sierra Leone's population increased by 1,844,205 people (a 25.6% growth).
Saudi Arabia was ranked 50th most populous country in 2006 and is 44th in 2026. Sierra Leone was ranked 106th in 2006 and ranked 101st now.
The UN's World Population Prospects forecasts that in 24 years (in 2050) Saudi Arabia's population will grow by 35.4% to 49,751,739 people with a rank change from 44th to 43rd. The population of Sierra Leone will increase by 43.8% to 13,010,109 people and rank change from 101st to 91st.
Saudi Arabia is projected to reach its peak in 2100 at 74.2M people compared to the peak of 16.2M people in 2093 for Sierra Leone.
Population growth rate by year
| Year | Growth rate | |
|---|---|---|
|
Saudi Arabia
|
Sierra Leone
|
|
| 2100 | 0.64% | -0.09% |
| 2099 | 0.64% | -0.08% |
| 2098 | 0.65% | -0.09% |
| 2097 | 0.66% | -0.07% |
| 2096 | 0.66% | -0.05% |
| 2095 | 0.67% | 0.002% |
| 2094 | 0.68% | -0.03% |
| 2093 | 0.68% | 0.02% |
| 2092 | 0.69% | 0.04% |
| 2091 | 0.69% | 0.06% |
| 2090 | 0.69% | 0.07% |
| 2089 | 0.69% | 0.09% |
| 2088 | 0.7% | 0.1% |
| 2087 | 0.7% | 0.17% |
| 2086 | 0.7% | 0.13% |
| 2085 | 0.71% | 0.15% |
| 2084 | 0.71% | 0.21% |
| 2083 | 0.71% | 0.23% |
| 2082 | 0.72% | 0.25% |
| 2081 | 0.72% | 0.24% |
| 2080 | 0.73% | 0.26% |
| 2079 | 0.73% | 0.31% |
| 2078 | 0.74% | 0.32% |
| 2077 | 0.75% | 0.35% |
| 2076 | 0.75% | 0.38% |
| 2075 | 0.76% | 0.35% |
| 2074 | 0.77% | 0.44% |
| 2073 | 0.78% | 0.45% |
| 2072 | 0.8% | 0.47% |
| 2071 | 0.81% | 0.51% |
| 2070 | 0.82% | 0.53% |
| 2069 | 0.84% | 0.59% |
| 2068 | 0.85% | 0.64% |
| 2067 | 0.86% | 0.65% |
| 2066 | 0.87% | 0.66% |
| 2065 | 0.89% | 0.66% |
| 2064 | 0.9% | 0.67% |
| 2063 | 0.91% | 0.77% |
| 2062 | 0.92% | 0.73% |
| 2061 | 0.94% | 0.79% |
| 2060 | 0.95% | 0.79% |
| 2059 | 0.96% | 0.84% |
| 2058 | 0.97% | 0.86% |
| 2057 | 0.99% | 0.9% |
| 2056 | 1% | 0.95% |
| 2055 | 1.01% | 0.93% |
| 2054 | 1.02% | 1.01% |
| 2053 | 1.04% | 1.06% |
| 2052 | 1.05% | 1.12% |
| 2051 | 1.06% | 1.12% |
| 2050 | 1.08% | 1.11% |
| 2049 | 1.09% | 1.19% |
| 2048 | 1.11% | 1.16% |
| 2047 | 1.12% | 1.26% |
| 2046 | 1.14% | 1.28% |
| 2045 | 1.15% | 1.37% |
| 2044 | 1.17% | 1.35% |
| 2043 | 1.18% | 1.37% |
| 2042 | 1.2% | 1.44% |
| 2041 | 1.22% | 1.5% |
| 2040 | 1.23% | 1.5% |
| 2039 | 1.25% | 1.47% |
| 2038 | 1.27% | 1.54% |
| 2037 | 1.28% | 1.59% |
| 2036 | 1.3% | 1.65% |
| 2035 | 1.31% | 1.65% |
| 2034 | 1.33% | 1.69% |
| 2033 | 1.34% | 1.78% |
| 2032 | 1.36% | 1.81% |
| 2031 | 1.38% | 1.81% |
| 2030 | 1.51% | 1.85% |
| 2029 | 1.6% | 1.83% |
| 2028 | 1.67% | 1.97% |
| 2027 | 1.71% | 1.98% |
| 2026 | 1.76% | 2.03% |
| 2025 | 1.79% | 2.08% |
| 2024 | 4.74% | 2.15% |
| 2023 | 4.75% | 2.22% |
| 2022 | 4.52% | 2.25% |
| 2021 | -2.43% | 2.3% |
| 2020 | 4.95% | 2.34% |
| 2019 | -0.44% | 2.35% |
| 2018 | -2.52% | 2.38% |
| 2017 | 0.07% | 2.41% |
| 2016 | 3.82% | 2.38% |
| 2015 | 5.32% | 2.35% |
| 2014 | 2.48% | 2.42% |
| 2013 | 5.56% | 2.49% |
| 2012 | 4.29% | 2.56% |
| 2011 | 4.64% | 2.64% |
| 2010 | -0.99% | 2.76% |
| 2009 | 3.99% | 2.73% |
| 2008 | 4.11% | 2.53% |
| 2007 | 4.24% | 2.22% |
| 2006 | 4.37% | 2.23% |
| 2005 | 4.53% | 2.73% |
| 2004 | 4.7% | 3.44% |
| 2003 | 4.89% | 4.15% |
| 2002 | 5.1% | 5.94% |
| 2001 | 5.34% | 6.08% |
| 2000 | 4.56% | 2.44% |
| 1999 | 3.69% | 0.52% |
| 1998 | 3.81% | 0.99% |
| 1997 | 3.93% | 1.3% |
| 1996 | 4.08% | 0.48% |
| 1995 | 4.23% | 0.15% |
| 1994 | 4.37% | 0.38% |
| 1993 | 4.53% | -0.22% |
| 1992 | 4.71% | -1.88% |
| 1991 | 4.89% | 1.18% |
| 1990 | 5.06% | 4.04% |
| 1989 | 5.18% | 2.53% |
| 1988 | 5.47% | 2.74% |
| 1987 | 5.81% | 2.72% |
| 1986 | 5.85% | 2.47% |
| 1985 | 5.9% | 2.24% |
| 1984 | 6.13% | 2.21% |
| 1983 | 6.28% | 2.16% |
| 1982 | 6.29% | 2.07% |
| 1981 | 6.16% | 2.04% |
| 1980 | 6.04% | 2.01% |
| 1979 | 5.98% | 1.97% |
| 1978 | 5.88% | 1.95% |
| 1977 | 5.72% | 1.87% |
| 1976 | 5.52% | 1.82% |
| 1975 | 5.38% | 1.86% |
| 1974 | 5.29% | 1.87% |
| 1973 | 5.14% | 1.87% |
| 1972 | 4.88% | 1.85% |
| 1971 | 4.54% | 1.88% |
| 1970 | 4.25% | 1.91% |
| 1969 | 4.09% | 1.91% |
| 1968 | 3.97% | 1.92% |
| 1967 | 3.86% | 1.9% |
| 1966 | 3.79% | 1.86% |
| 1965 | 3.78% | 1.83% |
| 1964 | 3.77% | 1.77% |
| 1963 | 3.76% | 1.71% |
| 1962 | 3.74% | 1.65% |
| 1961 | 3.73% | 1.58% |
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/saudi-arabia/sierra-leone | CC BY
In 2024, the population of Saudi Arabia grew by 4.74%, while Sierra Leone's population grew by 2.15%.
Live population counters
|
Saudi Arabia
|
Sierra Leone
|
|
|---|---|---|
| Current population |
36734925
|
9049533
|
| Population rank | 44/197 | 101/197 |
| Percent of world population | 0.44% | 0.11% |
| One net population change |
19.7 seconds
|
2.9 minutes
|
| One birth every |
57 seconds
|
2.03 minutes
|
| One death every |
6.66 minutes
|
7.5 minutes
|
| Daily growth/decline | +4,377 | +497 |
| Annual growth/decline | +1,597,549 | +181,510 |
| Annual growth/decline rate | +4.74% | +2.15% |
| Population growth rate rank | 4/197 | 47/197 |
| One migration net change every |
4.4 minutes
|
46.6 minutes
|
| Annual migration change | +119,738 | -11,309 |
| Net migration rank | 13/196 | 136/196 |
| Foreign-born residents | 13,683,841 | 49,997 |
| Foreign-born residents rank | 3/195 | 151/195 |
| Foreign-born share of population | 40.3% | 0.6% |
| Foreign-born share rank | 14/195 | 174/195 |
Natural population change vs migration
| Year | Population change | |||
|---|---|---|---|---|
|
Saudi Arabia
|
Sierra Leone
|
|||
| Natural | Migration | Natural | Migration | |
| 2025 | - | 119,738 | - | -11,309 |
| 2024 | - | 122,170 | - | -11,000 |
| 2023 | 474,366 | 325,691 | 188,788 | -4,000 |
| 2022 | 406,920 | 977,072 | 186,625 | -4,000 |
| 2021 | 409,032 | -106,287 | 183,326 | -1,544 |
| 2020 | 447,036 | -74,725 | 181,015 | 1,292 |
| 2019 | 474,407 | 191,582 | 181,068 | -2,238 |
| 2018 | 528,767 | -988,751 | 178,772 | -2,741 |
| 2017 | 546,751 | -920,812 | 173,259 | 1,234 |
| 2016 | 537,829 | -26,997 | 168,784 | 4,657 |
| 2015 | 511,023 | 465,292 | 162,275 | -356 |
| 2014 | 493,431 | 469,144 | 160,137 | 485 |
| 2013 | 475,299 | 485,794 | 161,265 | 2,773 |
| 2012 | 465,649 | 479,206 | 160,915 | 988 |
| 2011 | 443,675 | 491,253 | 158,858 | 6,895 |
| 2010 | 418,641 | 504,955 | 155,338 | 7,983 |
| 2009 | 438,557 | 496,229 | 152,669 | 18,145 |
| 2008 | 433,457 | 491,337 | 149,855 | 1,182 |
| 2007 | 425,199 | 489,136 | 145,740 | -6,042 |
| 2006 | 399,333 | 504,661 | 144,127 | -34,052 |
| 2005 | 375,938 | 518,565 | 137,234 | -1,805 |
| 2004 | 362,843 | 523,472 | 132,661 | 23,897 |
| 2003 | 364,520 | 514,606 | 130,312 | 69,185 |
| 2002 | 372,099 | 500,508 | 126,429 | 86,578 |
| 2001 | 382,153 | 484,252 | 116,647 | 227,791 |
| 2000 | 392,407 | 468,515 | 110,754 | 83,013 |
| 1999 | 390,112 | 160,263 | 102,295 | -84,926 |
| 1998 | 389,499 | 159,898 | 103,906 | -76,766 |
| 1997 | 385,033 | 160,066 | 105,433 | -48,437 |
| 1996 | 382,248 | 160,532 | 104,140 | -52,110 |
| 1995 | 380,231 | 160,512 | 100,885 | -112,857 |
| 1994 | 377,351 | 160,306 | 101,486 | -77,371 |
| 1993 | 372,621 | 158,074 | 103,317 | -95,476 |
| 1992 | 366,763 | 160,908 | 103,251 | -129,565 |
| 1991 | 361,329 | 162,857 | 105,477 | -238,965 |
| 1990 | 355,495 | 160,416 | 100,778 | 131,587 |
| 1989 | 349,399 | 159,273 | 98,298 | -5,079 |
| 1988 | 342,865 | 146,918 | 96,344 | 9,470 |
| 1987 | 333,088 | 175,075 | 94,235 | 9,558 |
| 1986 | 322,340 | 172,606 | 90,902 | 7,992 |
| 1985 | 310,558 | 148,208 | 88,869 | -7,873 |
| 1984 | 296,615 | 153,562 | 87,072 | -8,708 |
| 1983 | 280,616 | 157,930 | 84,628 | -8,783 |
| 1982 | 264,831 | 153,528 | 82,457 | -11,379 |
| 1981 | 249,156 | 140,355 | 80,111 | -12,699 |
| 1980 | 234,372 | 121,220 | 77,932 | -11,641 |
| 1979 | 220,186 | 112,826 | 75,992 | -13,095 |
| 1978 | 205,331 | 105,263 | 74,130 | -13,073 |
| 1977 | 191,103 | 96,015 | 71,663 | -12,399 |
| 1976 | 178,024 | 85,083 | 69,506 | -15,686 |
| 1975 | 166,223 | 73,960 | 67,560 | -13,058 |
| 1974 | 155,478 | 69,653 | 65,357 | -11,473 |
| 1973 | 145,450 | 63,995 | 62,443 | -9,322 |
| 1972 | 136,360 | 55,439 | 60,279 | -8,267 |
| 1971 | 127,600 | 43,989 | 58,484 | -8,162 |
| 1970 | 120,440 | 31,097 | 56,513 | -4,957 |
| 1969 | 113,859 | 25,312 | 54,768 | -4,485 |
| 1968 | 108,281 | 21,366 | 53,126 | -3,743 |
| 1967 | 103,343 | 17,947 | 51,734 | -2,819 |
| 1966 | 98,361 | 15,054 | 49,486 | -2,911 |
| 1965 | 93,820 | 15,000 | 47,223 | -1,851 |
| 1964 | 89,776 | 15,000 | 45,487 | -2,308 |
| 1963 | 85,480 | 15,000 | 43,569 | -2,480 |
| 1962 | 81,393 | 15,000 | 41,603 | -2,658 |
| 1961 | 77,743 | 15,000 | 40,022 | -2,947 |
| 1960 | 74,143 | 15,000 | 38,192 | -3,528 |
Data sources: World Bank | Health (1960–2025, retrieved 2026-04-06).
GeoRank.org/population/saudi-arabia/sierra-leone | CC BY
Over the last 10 years, 93.9% of the population change in Saudi Arabia is from natural causes (a gain of 4,829,562 people) and 6.05% is from migration (a gain of 311,209 people). In Sierra Leone 99.6% is from natural causes (a gain of 1,764,049 people) and 0.41% is from migration (a loss of 7,211 people).
As of 2024, 13,683,841 residents or 40.3% of the population were not native-born in Saudi Arabia, compared to 49,997 people or 0.6% in Sierra Leone.
Biggest cities by population
|
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 |
|
Sierra Leone
|
|
|---|---|
| City | Population |
| Freetown | 951K |
| Bo | 234K |
| Kenema | 188K |
Compare countries by 7 more topics
Population differences between Saudi Arabia and Sierra Leone
|
Saudi Arabia
|
Sierra Leone
|
|
|---|---|---|
| Life expectancy | 79.4 years | 62.3 years |
| Average age | 30.2 years | 24.4 years |
| Median age | 30.5 years | 20.5 years |
| Male:Female ratio | 60.5:39.5 | 49.9:50.1 |
| Fertility rate | 2.28 births per woman | 3.79 births per woman |
| Population density | 44.1 ppl/mi² | 323 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/saudi-arabia/sierra-leone | 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)
- Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20)
- Wikidata (2026, retrieved 2026-02-08)
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