The latest officially reported population of Costa Rica was 5,129,910 in 2024 vs 68,560,157 people in Tanzania in 2024. In 2026, based on the adjusted UN estimation, the current Costa Rica's population is 5,181,862 people compared to 73,145,892 in Tanzania.
Population statistics:
- Tanzania's population is 14.1 times bigger than Costa Rica's.
- Costa Rica is ranked the 126th most populous country in the world, while Tanzania is the 20th.
- The countries together account for 0.95% of the world: 0.06% for Costa Rica vs 0.88% for Tanzania.
- For the last 10 years, Costa Rica has had an average growth rate of +0.77% per year vs +3.13% in Tanzania.
- Since 2006, the population of Costa Rica has increased from 4.32M people to 5.18M (19.9% growth), while Tanzania has grown from 40.3M to 73.1M (81.5% growth).
Costa Rica vs Tanzania: population by year and forecast
| Year | Population | |
|---|---|---|
|
|
|
|
| 2100 | 3,804,183 | 265,496,854 |
| 2099 | 3,842,423 | 263,162,785 |
| 2098 | 3,880,999 | 260,809,535 |
| 2097 | 3,919,996 | 258,412,520 |
| 2096 | 3,959,352 | 255,996,677 |
| 2095 | 3,999,084 | 253,567,416 |
| 2094 | 4,039,053 | 251,119,386 |
| 2093 | 4,079,349 | 248,628,881 |
| 2092 | 4,119,898 | 246,107,108 |
| 2091 | 4,160,663 | 243,557,182 |
| 2090 | 4,201,548 | 241,002,065 |
| 2089 | 4,242,452 | 238,416,591 |
| 2088 | 4,283,327 | 235,797,530 |
| 2087 | 4,324,225 | 233,167,455 |
| 2086 | 4,364,979 | 230,496,041 |
| 2085 | 4,405,520 | 227,800,292 |
| 2084 | 4,445,770 | 225,111,530 |
| 2083 | 4,485,644 | 222,421,279 |
| 2082 | 4,525,171 | 219,718,263 |
| 2081 | 4,564,265 | 216,995,478 |
| 2080 | 4,602,737 | 214,255,926 |
| 2079 | 4,640,677 | 211,486,253 |
| 2078 | 4,677,935 | 208,708,063 |
| 2077 | 4,714,527 | 205,918,120 |
| 2076 | 4,750,309 | 203,106,125 |
| 2075 | 4,785,359 | 200,297,474 |
| 2074 | 4,819,691 | 197,468,017 |
| 2073 | 4,853,137 | 194,642,633 |
| 2072 | 4,885,727 | 191,824,103 |
| 2071 | 4,917,445 | 188,992,017 |
| 2070 | 4,948,313 | 186,152,377 |
| 2069 | 4,978,425 | 183,311,218 |
| 2068 | 5,007,604 | 180,475,586 |
| 2067 | 5,035,877 | 177,639,469 |
| 2066 | 5,063,521 | 174,803,090 |
| 2065 | 5,090,474 | 171,913,445 |
| 2064 | 5,116,546 | 169,064,549 |
| 2063 | 5,141,922 | 166,217,933 |
| 2062 | 5,166,260 | 163,370,044 |
| 2061 | 5,189,836 | 160,537,159 |
| 2060 | 5,212,549 | 157,722,273 |
| 2059 | 5,234,066 | 154,920,005 |
| 2058 | 5,254,528 | 152,120,539 |
| 2057 | 5,273,844 | 149,325,489 |
| 2056 | 5,292,013 | 146,519,472 |
| 2055 | 5,308,829 | 143,736,540 |
| 2054 | 5,324,305 | 140,983,905 |
| 2053 | 5,338,417 | 138,262,668 |
| 2052 | 5,350,974 | 135,553,723 |
| 2051 | 5,361,865 | 132,851,383 |
| 2050 | 5,371,197 | 130,157,751 |
| 2049 | 5,378,904 | 127,495,278 |
| 2048 | 5,385,081 | 124,821,109 |
| 2047 | 5,389,678 | 122,158,290 |
| 2046 | 5,392,713 | 119,522,516 |
| 2045 | 5,394,209 | 116,914,785 |
| 2044 | 5,394,124 | 114,329,740 |
| 2043 | 5,392,590 | 111,776,234 |
| 2042 | 5,389,628 | 109,241,835 |
| 2041 | 5,385,101 | 106,748,632 |
| 2040 | 5,379,344 | 104,272,418 |
| 2039 | 5,372,186 | 101,814,304 |
| 2038 | 5,363,617 | 99,380,232 |
| 2037 | 5,353,928 | 96,983,729 |
| 2036 | 5,343,027 | 94,601,865 |
| 2035 | 5,330,994 | 92,257,269 |
| 2034 | 5,317,895 | 89,929,444 |
| 2033 | 5,303,634 | 87,654,982 |
| 2032 | 5,288,416 | 85,409,993 |
| 2031 | 5,272,215 | 83,180,507 |
| 2030 | 5,255,064 | 80,997,163 |
| 2029 | 5,236,901 | 78,838,461 |
| 2028 | 5,217,724 | 76,730,649 |
| 2027 | 5,197,413 | 74,647,063 |
| 2026 | 5,176,096 | 72,589,279 |
| 2025 | 5,153,634 | 70,552,589 |
| 2024 | 5,129,910 | 68,560,157 |
| 2023 | 5,105,525 | 66,617,606 |
| 2022 | 5,081,765 | 64,711,821 |
| 2021 | 5,059,988 | 62,830,412 |
| 2020 | 5,034,320 | 60,972,798 |
| 2019 | 4,999,553 | 59,174,891 |
| 2018 | 4,957,818 | 57,437,145 |
| 2017 | 4,913,177 | 55,652,890 |
| 2016 | 4,866,998 | 53,824,013 |
| 2015 | 4,818,038 | 52,020,962 |
| 2014 | 4,767,119 | 50,351,512 |
| 2013 | 4,716,147 | 48,824,128 |
| 2012 | 4,663,934 | 47,374,260 |
| 2011 | 4,609,833 | 46,029,367 |
| 2010 | 4,555,962 | 44,758,488 |
| 2009 | 4,499,791 | 43,633,982 |
| 2008 | 4,440,056 | 42,570,728 |
| 2007 | 4,380,248 | 41,435,512 |
| 2006 | 4,321,340 | 40,294,902 |
| 2005 | 4,261,240 | 39,182,076 |
| 2004 | 4,200,078 | 38,109,668 |
| 2003 | 4,138,784 | 37,089,555 |
| 2002 | 4,075,705 | 36,121,304 |
| 2001 | 4,008,947 | 35,198,299 |
| 2000 | 3,937,739 | 34,260,139 |
| 1999 | 3,862,101 | 33,300,330 |
| 1998 | 3,782,838 | 32,420,458 |
| 1997 | 3,701,711 | 31,578,089 |
| 1996 | 3,619,013 | 30,945,762 |
| 1995 | 3,535,176 | 30,383,497 |
| 1994 | 3,451,122 | 29,442,356 |
| 1993 | 3,367,434 | 28,332,692 |
| 1992 | 3,284,258 | 27,457,588 |
| 1991 | 3,202,176 | 26,780,436 |
| 1990 | 3,121,706 | 26,110,207 |
| 1989 | 3,043,827 | 25,438,759 |
| 1988 | 2,968,103 | 24,769,686 |
| 1987 | 2,892,699 | 24,030,378 |
| 1986 | 2,817,216 | 23,258,959 |
| 1985 | 2,741,894 | 22,501,693 |
| 1984 | 2,667,595 | 21,779,066 |
| 1983 | 2,595,153 | 21,079,874 |
| 1982 | 2,524,806 | 20,398,571 |
| 1981 | 2,456,637 | 19,784,703 |
| 1980 | 2,390,633 | 19,189,769 |
| 1979 | 2,326,490 | 18,592,038 |
| 1978 | 2,264,510 | 17,976,566 |
| 1977 | 2,205,025 | 17,352,929 |
| 1976 | 2,147,774 | 16,736,211 |
| 1975 | 2,092,719 | 16,138,361 |
| 1974 | 2,039,643 | 15,561,630 |
| 1973 | 1,988,343 | 15,010,101 |
| 1972 | 1,938,248 | 14,479,308 |
| 1971 | 1,888,539 | 13,971,451 |
| 1970 | 1,838,949 | 13,492,677 |
| 1969 | 1,789,276 | 13,036,700 |
| 1968 | 1,739,731 | 12,602,076 |
| 1967 | 1,689,523 | 12,200,109 |
| 1966 | 1,638,116 | 11,827,459 |
| 1965 | 1,586,208 | 11,470,728 |
| 1964 | 1,533,960 | 11,127,826 |
| 1963 | 1,481,604 | 10,799,528 |
| 1962 | 1,429,445 | 10,487,756 |
| 1961 | 1,377,920 | 10,187,886 |
| 1960 | 1,327,496 | 9,901,419 |
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/costa-rica/tanzania | CC BY
From 2006 to 2016, the population of Costa Rica increased by 545,658 people (a 12.6% growth), while Tanzania gained 13,529,111 people (a 33.6% growth).
For the next 10 years, from 2016 to 2026, Costa Rica gained 314,864 people (a 6.47% growth), while Tanzania's population increased by 19,321,879 people (a 35.9% growth).
Costa Rica was ranked 119th most populous country in 2006 and is 126th in 2026. Tanzania was ranked 30th in 2006 and ranked 20th now.
The UN's World Population Prospects forecasts that in 24 years (in 2050) Costa Rica's population will grow by 3.65% to 5,371,197 people and will still be ranked 126th. The population of Tanzania will increase by 77.9% to 130,157,751 people and rank change from 20th to 15th.
Costa Rica is projected to reach its peak in 2045 at 5.39M people compared to the peak of 265M people in 2100 for Tanzania.
Population growth rate by year
| Year | Growth rate | |
|---|---|---|
|
|
|
|
| 2100 | -1% | 0.89% |
| 2099 | -0.99% | 0.9% |
| 2098 | -0.99% | 0.93% |
| 2097 | -0.99% | 0.94% |
| 2096 | -0.99% | 0.96% |
| 2095 | -0.99% | 0.97% |
| 2094 | -0.99% | 1% |
| 2093 | -0.98% | 1.02% |
| 2092 | -0.98% | 1.05% |
| 2091 | -0.97% | 1.06% |
| 2090 | -0.96% | 1.08% |
| 2089 | -0.95% | 1.11% |
| 2088 | -0.95% | 1.13% |
| 2087 | -0.93% | 1.16% |
| 2086 | -0.92% | 1.18% |
| 2085 | -0.91% | 1.19% |
| 2084 | -0.89% | 1.21% |
| 2083 | -0.87% | 1.23% |
| 2082 | -0.86% | 1.25% |
| 2081 | -0.84% | 1.28% |
| 2080 | -0.82% | 1.31% |
| 2079 | -0.8% | 1.33% |
| 2078 | -0.78% | 1.35% |
| 2077 | -0.75% | 1.38% |
| 2076 | -0.73% | 1.4% |
| 2075 | -0.71% | 1.43% |
| 2074 | -0.69% | 1.45% |
| 2073 | -0.67% | 1.47% |
| 2072 | -0.65% | 1.5% |
| 2071 | -0.62% | 1.53% |
| 2070 | -0.6% | 1.55% |
| 2069 | -0.58% | 1.57% |
| 2068 | -0.56% | 1.6% |
| 2067 | -0.55% | 1.62% |
| 2066 | -0.53% | 1.68% |
| 2065 | -0.51% | 1.69% |
| 2064 | -0.49% | 1.71% |
| 2063 | -0.47% | 1.74% |
| 2062 | -0.45% | 1.76% |
| 2061 | -0.44% | 1.78% |
| 2060 | -0.41% | 1.81% |
| 2059 | -0.39% | 1.84% |
| 2058 | -0.37% | 1.87% |
| 2057 | -0.34% | 1.92% |
| 2056 | -0.32% | 1.94% |
| 2055 | -0.29% | 1.95% |
| 2054 | -0.26% | 1.97% |
| 2053 | -0.23% | 2% |
| 2052 | -0.2% | 2.03% |
| 2051 | -0.17% | 2.07% |
| 2050 | -0.14% | 2.09% |
| 2049 | -0.11% | 2.14% |
| 2048 | -0.09% | 2.18% |
| 2047 | -0.06% | 2.21% |
| 2046 | -0.03% | 2.23% |
| 2045 | 0.002% | 2.26% |
| 2044 | 0.03% | 2.28% |
| 2043 | 0.05% | 2.32% |
| 2042 | 0.08% | 2.34% |
| 2041 | 0.11% | 2.37% |
| 2040 | 0.13% | 2.41% |
| 2039 | 0.16% | 2.45% |
| 2038 | 0.18% | 2.47% |
| 2037 | 0.2% | 2.52% |
| 2036 | 0.23% | 2.54% |
| 2035 | 0.25% | 2.59% |
| 2034 | 0.27% | 2.59% |
| 2033 | 0.29% | 2.63% |
| 2032 | 0.31% | 2.68% |
| 2031 | 0.33% | 2.7% |
| 2030 | 0.35% | 2.74% |
| 2029 | 0.37% | 2.75% |
| 2028 | 0.39% | 2.79% |
| 2027 | 0.41% | 2.83% |
| 2026 | 0.44% | 2.89% |
| 2025 | 0.46% | 2.91% |
| 2024 | 0.48% | 2.92% |
| 2023 | 0.47% | 2.95% |
| 2022 | 0.43% | 2.99% |
| 2021 | 0.51% | 3.05% |
| 2020 | 0.7% | 3.04% |
| 2019 | 0.84% | 3.03% |
| 2018 | 0.91% | 3.21% |
| 2017 | 0.95% | 3.4% |
| 2016 | 1.02% | 3.47% |
| 2015 | 1.07% | 3.32% |
| 2014 | 1.08% | 3.13% |
| 2013 | 1.12% | 3.06% |
| 2012 | 1.17% | 2.92% |
| 2011 | 1.18% | 2.84% |
| 2010 | 1.25% | 2.58% |
| 2009 | 1.35% | 2.5% |
| 2008 | 1.37% | 2.74% |
| 2007 | 1.36% | 2.83% |
| 2006 | 1.41% | 2.84% |
| 2005 | 1.46% | 2.81% |
| 2004 | 1.48% | 2.75% |
| 2003 | 1.55% | 2.68% |
| 2002 | 1.67% | 2.62% |
| 2001 | 1.81% | 2.74% |
| 2000 | 1.96% | 2.88% |
| 1999 | 2.1% | 2.71% |
| 1998 | 2.19% | 2.67% |
| 1997 | 2.29% | 2.04% |
| 1996 | 2.37% | 1.85% |
| 1995 | 2.44% | 3.2% |
| 1994 | 2.49% | 3.92% |
| 1993 | 2.53% | 3.19% |
| 1992 | 2.56% | 2.53% |
| 1991 | 2.58% | 2.57% |
| 1990 | 2.56% | 2.64% |
| 1989 | 2.55% | 2.7% |
| 1988 | 2.61% | 3.08% |
| 1987 | 2.68% | 3.32% |
| 1986 | 2.75% | 3.37% |
| 1985 | 2.79% | 3.32% |
| 1984 | 2.79% | 3.32% |
| 1983 | 2.79% | 3.34% |
| 1982 | 2.77% | 3.1% |
| 1981 | 2.76% | 3.1% |
| 1980 | 2.76% | 3.21% |
| 1979 | 2.74% | 3.42% |
| 1978 | 2.7% | 3.59% |
| 1977 | 2.67% | 3.68% |
| 1976 | 2.63% | 3.7% |
| 1975 | 2.6% | 3.71% |
| 1974 | 2.58% | 3.67% |
| 1973 | 2.58% | 3.67% |
| 1972 | 2.63% | 3.63% |
| 1971 | 2.7% | 3.55% |
| 1970 | 2.78% | 3.5% |
| 1969 | 2.85% | 3.45% |
| 1968 | 2.97% | 3.29% |
| 1967 | 3.14% | 3.15% |
| 1966 | 3.27% | 3.11% |
| 1965 | 3.41% | 3.08% |
| 1964 | 3.53% | 3.04% |
| 1963 | 3.65% | 2.97% |
| 1962 | 3.74% | 2.94% |
| 1961 | 3.8% | 2.89% |
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/costa-rica/tanzania | CC BY
In 2024, the population of Costa Rica grew by 0.48%, while Tanzania's population grew by 2.92%.
Live population counters
|
|
|
|
|---|---|---|
| Current population |
5181862
|
73145892
|
| Population rank | 126/197 | 20/197 |
| Percent of world population | 0.06% | 0.88% |
| One net population change |
21.6 minutes
|
16.2 seconds
|
| One birth every |
10.1 minutes
|
13.4 seconds
|
| One death every |
18.9 minutes
|
1.36 minutes
|
| Daily growth/decline | +67 | +5,322 |
| Annual growth/decline | +24,385 | +1,942,551 |
| Annual growth/decline rate | +0.48% | +2.92% |
| Population growth rate rank | 138/197 | 18/197 |
| One migration net change every |
8.78 hours
|
41.4 minutes
|
| Annual migration change | +1,000 | -12,730 |
| Net migration rank | 63/196 | 139/196 |
| Foreign-born residents | 628,404 | 462,371 |
| Foreign-born residents rank | 75/195 | 83/195 |
| Foreign-born share of population | 12.2% | 0.7% |
| Foreign-born share rank | 55/195 | 167/195 |
Natural population change vs migration
| Year | Population change | |||
|---|---|---|---|---|
|
|
|
|||
| Natural | Migration | Natural | Migration | |
| 2025 | - | 1,000 | - | -12,730 |
| 2024 | - | 967 | - | -29,865 |
| 2023 | 24,109 | 995 | 1,960,623 | -39,388 |
| 2022 | 21,409 | 1,006 | 1,927,960 | -37,557 |
| 2021 | 20,119 | 1,018 | 1,880,137 | -7,704 |
| 2020 | 29,164 | 1,029 | 1,861,377 | -18,587 |
| 2019 | 37,682 | 1,653 | 1,816,669 | -63,602 |
| 2018 | 42,469 | 1,673 | 1,777,852 | -55,444 |
| 2017 | 43,471 | 1,671 | 1,726,909 | 119,142 |
| 2016 | 45,565 | 1,649 | 1,659,502 | 152,194 |
| 2015 | 49,077 | 1,617 | 1,592,882 | 201,495 |
| 2014 | 49,559 | 1,589 | 1,565,630 | -21,083 |
| 2013 | 49,227 | 1,579 | 1,509,008 | 1,241 |
| 2012 | 52,036 | 1,587 | 1,439,325 | -49,875 |
| 2011 | 52,884 | 1,695 | 1,384,886 | -84,546 |
| 2010 | 50,803 | 2,357 | 1,363,477 | -122,020 |
| 2009 | 55,757 | 3,432 | 1,332,015 | -324,478 |
| 2008 | 56,491 | 3,794 | 1,303,728 | -184,816 |
| 2007 | 55,244 | 4,080 | 1,278,285 | -126,793 |
| 2006 | 54,177 | 4,321 | 1,257,927 | -128,231 |
| 2005 | 57,139 | 4,567 | 1,224,165 | -128,251 |
| 2004 | 55,769 | 4,856 | 1,175,379 | -126,490 |
| 2003 | 56,743 | 5,216 | 1,118,435 | -127,101 |
| 2002 | 58,388 | 5,812 | 1,063,195 | -118,047 |
| 2001 | 62,199 | 7,119 | 1,026,242 | -125,375 |
| 2000 | 64,268 | 8,826 | 985,185 | -9,701 |
| 1999 | 64,922 | 13,253 | 948,659 | -4,489 |
| 1998 | 64,788 | 15,556 | 920,806 | -105,184 |
| 1997 | 64,954 | 16,954 | 882,544 | -13,400 |
| 1996 | 66,094 | 17,393 | 868,524 | -473,007 |
| 1995 | 67,585 | 16,609 | 838,980 | -109,971 |
| 1994 | 68,336 | 15,587 | 803,953 | 349,348 |
| 1993 | 69,016 | 14,431 | 778,044 | 288,004 |
| 1992 | 69,830 | 13,069 | 767,961 | -83,825 |
| 1991 | 70,506 | 10,757 | 762,011 | -91,851 |
| 1990 | 71,727 | 7,949 | 750,825 | -80,529 |
| 1989 | 72,327 | 3,758 | 743,854 | -71,268 |
| 1988 | 72,944 | 2,414 | 736,551 | -71,012 |
| 1987 | 73,188 | 2,267 | 718,580 | 94,498 |
| 1986 | 73,211 | 2,302 | 705,677 | 24,101 |
| 1985 | 72,776 | 2,357 | 697,867 | 86,864 |
| 1984 | 71,062 | 2,402 | 687,435 | -26,938 |
| 1983 | 68,972 | 2,449 | 679,720 | 58,161 |
| 1982 | 66,826 | 2,453 | 662,627 | -37,883 |
| 1981 | 64,632 | 2,431 | 645,496 | -42,485 |
| 1980 | 62,561 | 2,387 | 629,444 | -42,588 |
| 1979 | 60,984 | 2,349 | 613,388 | -4,792 |
| 1978 | 58,327 | 2,296 | 595,024 | 27,307 |
| 1977 | 56,122 | 2,228 | 574,938 | 49,997 |
| 1976 | 54,019 | 2,129 | 553,617 | 54,875 |
| 1975 | 51,979 | 1,992 | 533,906 | 53,290 |
| 1974 | 50,349 | 1,839 | 515,152 | 51,127 |
| 1973 | 48,943 | 1,468 | 488,429 | 48,363 |
| 1972 | 48,417 | 1,366 | 467,305 | 57,489 |
| 1971 | 48,341 | 1,296 | 449,014 | 41,900 |
| 1970 | 48,398 | 1,137 | 427,988 | 38,635 |
| 1969 | 48,790 | 1,017 | 408,322 | 37,006 |
| 1968 | 48,361 | 939 | 389,467 | 34,455 |
| 1967 | 50,193 | 926 | 374,763 | 5,265 |
| 1966 | 50,755 | 930 | 360,229 | 5,049 |
| 1965 | 51,196 | 932 | 343,456 | 4,742 |
| 1964 | 51,435 | 934 | 328,527 | 9,090 |
| 1963 | 51,403 | 938 | 314,644 | 4,333 |
| 1962 | 51,046 | 934 | 300,663 | 3,916 |
| 1961 | 50,149 | 924 | 286,839 | 8,338 |
| 1960 | 48,857 | 910 | 275,814 | 1,946 |
Data sources: World Bank | Health (1960–2025, retrieved 2026-04-06).
GeoRank.org/population/costa-rica/tanzania | CC BY
Over the last 10 years, 96.3% of the population change in Costa Rica is from natural causes (a gain of 362,624 people) and 3.69% is from migration (a gain of 13,900 people). In Tanzania 98.7% is from natural causes (a gain of 17,769,541 people) and 1.27% is from migration (a gain of 229,466 people).
As of 2024, 628,404 residents or 12.2% of the population were not native-born in Costa Rica, compared to 462,371 people or 0.7% in Tanzania.
Biggest cities by population
|
|
|
|---|---|
| City | Population |
| San Jose | 335K |
| Limon | 71.5K |
| Liberia | 65.9K |
| Alajuela | 44.4K |
| Puntarenas | 41.5K |
| Cartago | 22.8K |
| Heredia | 16.7K |
| Tamarindo | 7.13K |
| Santa Teresa | 3K |
|
|
|
|---|---|
| City | Population |
| Dar es Salaam | 4.72M |
| Zanzibar | 710K |
| Mwanza | 706K |
| Mbeya | 542K |
| Arusha | 416K |
| Tanga | 221K |
| Dodoma | 214K |
| Morogoro | 207K |
| Moshi | 145K |
| Stone Town | 18K |
Compare countries by 7 more topics
Population differences between Costa Rica and Tanzania
|
|
|
|
|---|---|---|
| Life expectancy | 81.4 years | 67.6 years |
| Average age | 37 years | 22.7 years |
| Median age | 35.6 years | 18.4 years |
| Male:Female ratio | 49.4:50.6 | 49.6:50.4 |
| Fertility rate | 1.33 births per woman | 4.61 births per woman |
| Population density | 262.6 ppl/mi² | 212.2 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/costa-rica/tanzania | 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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