The latest officially reported population of the Czech Republic was 10,886,878 in 2025 vs 8,819,794 people in Sierra Leone in 2025. In 2026, based on the adjusted UN estimation, the current Czech Republic's population is 10,742,283 people compared to 9,090,531 in Sierra Leone.
Population statistics:
- The Czech Republic's population is 1.18 times bigger than Sierra Leone's.
- The Czech Republic is ranked the 92nd most populous country in the world, while Sierra Leone is the 100th.
- The countries together account for 0.24% of the world: 0.13% for the Czech Republic vs 0.11% for Sierra Leone.
- For the last 10 years, the Czech Republic has had an average growth rate of +0.31% per year vs +2.29% in Sierra Leone.
- Since 2006, the population of the Czech Republic has increased from 10.2M people to 10.7M (4.92% growth), while Sierra Leone has grown from 5.62M to 9.09M (61.6% growth).
Czech Republic vs Sierra Leone: population by year and forecast
| Year | Population | |
|---|---|---|
Czech Republic
|
Sierra Leone
|
|
| 2100 | 8,398,703 | 16,107,087 |
| 2099 | 8,420,054 | 16,121,940 |
| 2098 | 8,440,780 | 16,135,035 |
| 2097 | 8,460,511 | 16,149,905 |
| 2096 | 8,480,556 | 16,160,672 |
| 2095 | 8,499,484 | 16,169,304 |
| 2094 | 8,518,286 | 16,168,902 |
| 2093 | 8,536,499 | 16,173,609 |
| 2092 | 8,554,517 | 16,170,778 |
| 2091 | 8,572,195 | 16,163,901 |
| 2090 | 8,590,647 | 16,154,165 |
| 2089 | 8,609,075 | 16,142,526 |
| 2088 | 8,627,611 | 16,128,775 |
| 2087 | 8,647,206 | 16,112,585 |
| 2086 | 8,667,774 | 16,085,549 |
| 2085 | 8,688,472 | 16,064,212 |
| 2084 | 8,710,097 | 16,040,563 |
| 2083 | 8,732,416 | 16,006,923 |
| 2082 | 8,756,281 | 15,970,872 |
| 2081 | 8,781,441 | 15,930,880 |
| 2080 | 8,807,994 | 15,892,665 |
| 2079 | 8,836,073 | 15,850,728 |
| 2078 | 8,865,602 | 15,801,450 |
| 2077 | 8,896,421 | 15,750,408 |
| 2076 | 8,928,964 | 15,695,310 |
| 2075 | 8,963,945 | 15,635,345 |
| 2074 | 9,000,807 | 15,580,279 |
| 2073 | 9,039,770 | 15,512,655 |
| 2072 | 9,080,946 | 15,442,481 |
| 2071 | 9,123,937 | 15,370,747 |
| 2070 | 9,168,851 | 15,293,426 |
| 2069 | 9,215,360 | 15,212,664 |
| 2068 | 9,262,938 | 15,124,069 |
| 2067 | 9,311,827 | 15,028,190 |
| 2066 | 9,361,827 | 14,931,295 |
| 2065 | 9,412,850 | 14,833,794 |
| 2064 | 9,463,141 | 14,736,872 |
| 2063 | 9,513,448 | 14,638,180 |
| 2062 | 9,562,710 | 14,525,736 |
| 2061 | 9,610,889 | 14,420,068 |
| 2060 | 9,657,465 | 14,307,451 |
| 2059 | 9,702,379 | 14,194,972 |
| 2058 | 9,745,727 | 14,077,124 |
| 2057 | 9,787,770 | 13,957,197 |
| 2056 | 9,827,846 | 13,832,494 |
| 2055 | 9,865,895 | 13,702,508 |
| 2054 | 9,902,399 | 13,576,231 |
| 2053 | 9,936,727 | 13,440,929 |
| 2052 | 9,969,256 | 13,299,910 |
| 2051 | 10,000,522 | 13,152,910 |
| 2050 | 10,030,910 | 13,006,688 |
| 2049 | 10,059,551 | 12,863,637 |
| 2048 | 10,087,904 | 12,712,671 |
| 2047 | 10,115,848 | 12,566,944 |
| 2046 | 10,144,045 | 12,411,042 |
| 2045 | 10,171,882 | 12,254,651 |
| 2044 | 10,199,799 | 12,088,895 |
| 2043 | 10,228,264 | 11,928,393 |
| 2042 | 10,257,414 | 11,767,372 |
| 2041 | 10,287,621 | 11,599,942 |
| 2040 | 10,318,078 | 11,428,331 |
| 2039 | 10,349,820 | 11,259,845 |
| 2038 | 10,381,806 | 11,097,180 |
| 2037 | 10,414,999 | 10,928,754 |
| 2036 | 10,447,885 | 10,757,928 |
| 2035 | 10,481,420 | 10,582,918 |
| 2034 | 10,514,820 | 10,411,088 |
| 2033 | 10,547,938 | 10,238,503 |
| 2032 | 10,580,423 | 10,059,929 |
| 2031 | 10,611,839 | 9,881,109 |
| 2030 | 10,641,892 | 9,705,485 |
| 2029 | 10,670,568 | 9,529,493 |
| 2028 | 10,697,290 | 9,358,412 |
| 2027 | 10,720,806 | 9,177,288 |
| 2026 | 10,742,283 | 8,998,902 |
| 2025 | 10,886,878 | 8,819,794 |
| 2024 | 10,905,028 | 8,642,022 |
| 2023 | 10,864,042 | 8,460,512 |
| 2022 | 10,672,118 | 8,276,807 |
| 2021 | 10,505,772 | 8,094,602 |
| 2020 | 10,697,858 | 7,912,558 |
| 2019 | 10,671,870 | 7,731,991 |
| 2018 | 10,629,928 | 7,554,563 |
| 2017 | 10,594,438 | 7,379,299 |
| 2016 | 10,566,332 | 7,205,328 |
| 2015 | 10,546,059 | 7,037,655 |
| 2014 | 10,525,347 | 6,876,385 |
| 2013 | 10,514,272 | 6,714,051 |
| 2012 | 10,510,785 | 6,551,080 |
| 2011 | 10,496,088 | 6,387,251 |
| 2010 | 10,474,410 | 6,222,714 |
| 2009 | 10,443,936 | 6,055,646 |
| 2008 | 10,384,603 | 5,894,722 |
| 2007 | 10,298,828 | 5,749,352 |
| 2006 | 10,238,905 | 5,624,466 |
| 2005 | 10,211,216 | 5,501,712 |
| 2004 | 10,197,101 | 5,355,717 |
| 2003 | 10,193,998 | 5,177,687 |
| 2002 | 10,196,916 | 4,971,435 |
| 2001 | 10,216,605 | 4,692,716 |
| 2000 | 10,255,063 | 4,423,611 |
| 1999 | 10,283,860 | 4,318,043 |
| 1998 | 10,294,373 | 4,295,785 |
| 1997 | 10,304,131 | 4,253,716 |
| 1996 | 10,315,241 | 4,199,210 |
| 1995 | 10,327,253 | 4,179,179 |
| 1994 | 10,333,587 | 4,173,105 |
| 1993 | 10,329,855 | 4,157,130 |
| 1992 | 10,319,123 | 4,166,366 |
| 1991 | 10,308,578 | 4,246,267 |
| 1990 | 10,333,355 | 4,196,828 |
| 1989 | 10,361,068 | 4,034,037 |
| 1988 | 10,355,276 | 3,934,517 |
| 1987 | 10,347,318 | 3,829,718 |
| 1986 | 10,342,227 | 3,728,380 |
| 1985 | 10,337,118 | 3,638,438 |
| 1984 | 10,330,213 | 3,558,758 |
| 1983 | 10,323,856 | 3,481,646 |
| 1982 | 10,314,826 | 3,408,183 |
| 1981 | 10,300,591 | 3,338,940 |
| 1980 | 10,304,193 | 3,272,089 |
| 1979 | 10,292,341 | 3,207,499 |
| 1978 | 10,242,098 | 3,145,517 |
| 1977 | 10,186,755 | 3,085,354 |
| 1976 | 10,125,939 | 3,028,820 |
| 1975 | 10,058,620 | 2,974,657 |
| 1974 | 9,988,459 | 2,920,459 |
| 1973 | 9,922,266 | 2,866,955 |
| 1972 | 9,867,632 | 2,814,388 |
| 1971 | 9,826,815 | 2,763,222 |
| 1970 | 9,858,071 | 2,712,286 |
| 1969 | 9,896,580 | 2,661,365 |
| 1968 | 9,876,346 | 2,611,532 |
| 1967 | 9,852,899 | 2,562,384 |
| 1966 | 9,821,040 | 2,514,638 |
| 1965 | 9,779,358 | 2,468,666 |
| 1964 | 9,727,804 | 2,424,390 |
| 1963 | 9,670,685 | 2,382,258 |
| 1962 | 9,624,660 | 2,342,242 |
| 1961 | 9,586,651 | 2,304,227 |
| 1960 | 9,602,006 | 2,268,356 |
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/czech-republic/sierra-leone | CC BY 
From 2006 to 2016, the population of the Czech Republic increased by 327,427 people (a 3.2% growth), while Sierra Leone gained 1,580,862 people (a 28.1% growth).
For the next 10 years, from 2016 to 2026, the Czech Republic gained 175,951 people (a 1.67% growth), while Sierra Leone's population increased by 1,885,203 people (a 26.2% growth).
The Czech Republic was ranked 80th most populous country in 2006 and is 92nd in 2026. Sierra Leone was ranked 105th in 2006 and ranked 100th now.
The UN's World Population Prospects forecasts that in 24 years (in 2050) the Czech Republic's population will shrink by 6.62% to 10,030,910 people with a rank change from 92nd to 98th. The population of Sierra Leone will increase by 43.1% to 13,006,688 people and rank change from 100th to 91st.
Sierra Leone is projected to reach its peak in 2093 at 16.2M people, while the Czech Republic's population already peaked in 2024 at 10.9M people and is projected to decrease to 8.4M people by 2100.
Population growth rate by year
| Year | Growth rate | |
|---|---|---|
|
Czech Republic
|
Sierra Leone
|
|
| 2100 | -0.25% | -0.09% |
| 2099 | -0.25% | -0.08% |
| 2098 | -0.23% | -0.09% |
| 2097 | -0.24% | -0.07% |
| 2096 | -0.22% | -0.05% |
| 2095 | -0.22% | 0.002% |
| 2094 | -0.21% | -0.03% |
| 2093 | -0.21% | 0.02% |
| 2092 | -0.21% | 0.04% |
| 2091 | -0.21% | 0.06% |
| 2090 | -0.21% | 0.07% |
| 2089 | -0.21% | 0.09% |
| 2088 | -0.23% | 0.1% |
| 2087 | -0.24% | 0.17% |
| 2086 | -0.24% | 0.13% |
| 2085 | -0.25% | 0.15% |
| 2084 | -0.26% | 0.21% |
| 2083 | -0.27% | 0.23% |
| 2082 | -0.29% | 0.25% |
| 2081 | -0.3% | 0.24% |
| 2080 | -0.32% | 0.26% |
| 2079 | -0.33% | 0.31% |
| 2078 | -0.35% | 0.32% |
| 2077 | -0.36% | 0.35% |
| 2076 | -0.39% | 0.38% |
| 2075 | -0.41% | 0.35% |
| 2074 | -0.43% | 0.44% |
| 2073 | -0.45% | 0.45% |
| 2072 | -0.47% | 0.47% |
| 2071 | -0.49% | 0.51% |
| 2070 | -0.5% | 0.53% |
| 2069 | -0.51% | 0.59% |
| 2068 | -0.53% | 0.64% |
| 2067 | -0.53% | 0.65% |
| 2066 | -0.54% | 0.66% |
| 2065 | -0.53% | 0.66% |
| 2064 | -0.53% | 0.67% |
| 2063 | -0.52% | 0.77% |
| 2062 | -0.5% | 0.73% |
| 2061 | -0.48% | 0.79% |
| 2060 | -0.46% | 0.79% |
| 2059 | -0.44% | 0.84% |
| 2058 | -0.43% | 0.86% |
| 2057 | -0.41% | 0.9% |
| 2056 | -0.39% | 0.95% |
| 2055 | -0.37% | 0.93% |
| 2054 | -0.35% | 1.01% |
| 2053 | -0.33% | 1.06% |
| 2052 | -0.31% | 1.12% |
| 2051 | -0.3% | 1.12% |
| 2050 | -0.28% | 1.11% |
| 2049 | -0.28% | 1.19% |
| 2048 | -0.28% | 1.16% |
| 2047 | -0.28% | 1.26% |
| 2046 | -0.27% | 1.28% |
| 2045 | -0.27% | 1.37% |
| 2044 | -0.28% | 1.35% |
| 2043 | -0.28% | 1.37% |
| 2042 | -0.29% | 1.44% |
| 2041 | -0.3% | 1.5% |
| 2040 | -0.31% | 1.5% |
| 2039 | -0.31% | 1.47% |
| 2038 | -0.32% | 1.54% |
| 2037 | -0.31% | 1.59% |
| 2036 | -0.32% | 1.65% |
| 2035 | -0.32% | 1.65% |
| 2034 | -0.31% | 1.69% |
| 2033 | -0.31% | 1.78% |
| 2032 | -0.3% | 1.81% |
| 2031 | -0.28% | 1.81% |
| 2030 | -0.27% | 1.85% |
| 2029 | -0.25% | 1.83% |
| 2028 | -0.22% | 1.97% |
| 2027 | -0.2% | 1.98% |
| 2026 | -1.33% | 2.03% |
| 2025 | -0.17% | 2.06% |
| 2024 | 0.38% | 2.15% |
| 2023 | 1.8% | 2.22% |
| 2022 | 1.58% | 2.25% |
| 2021 | -1.8% | 2.3% |
| 2020 | 0.24% | 2.34% |
| 2019 | 0.39% | 2.35% |
| 2018 | 0.33% | 2.38% |
| 2017 | 0.27% | 2.41% |
| 2016 | 0.19% | 2.38% |
| 2015 | 0.2% | 2.35% |
| 2014 | 0.11% | 2.42% |
| 2013 | 0.03% | 2.49% |
| 2012 | 0.14% | 2.56% |
| 2011 | 0.21% | 2.64% |
| 2010 | 0.29% | 2.76% |
| 2009 | 0.57% | 2.73% |
| 2008 | 0.83% | 2.53% |
| 2007 | 0.59% | 2.22% |
| 2006 | 0.27% | 2.23% |
| 2005 | 0.14% | 2.73% |
| 2004 | 0.03% | 3.44% |
| 2003 | -0.03% | 4.15% |
| 2002 | -0.19% | 5.94% |
| 2001 | -0.38% | 6.08% |
| 2000 | -0.28% | 2.44% |
| 1999 | -0.1% | 0.52% |
| 1998 | -0.09% | 0.99% |
| 1997 | -0.11% | 1.3% |
| 1996 | -0.12% | 0.48% |
| 1995 | -0.06% | 0.15% |
| 1994 | 0.04% | 0.38% |
| 1993 | 0.1% | -0.22% |
| 1992 | 0.1% | -1.88% |
| 1991 | -0.24% | 1.18% |
| 1990 | -0.27% | 4.04% |
| 1989 | 0.06% | 2.53% |
| 1988 | 0.08% | 2.74% |
| 1987 | 0.05% | 2.72% |
| 1986 | 0.05% | 2.47% |
| 1985 | 0.07% | 2.24% |
| 1984 | 0.06% | 2.21% |
| 1983 | 0.09% | 2.16% |
| 1982 | 0.14% | 2.07% |
| 1981 | -0.03% | 2.04% |
| 1980 | 0.12% | 2.01% |
| 1979 | 0.49% | 1.97% |
| 1978 | 0.54% | 1.95% |
| 1977 | 0.6% | 1.87% |
| 1976 | 0.67% | 1.82% |
| 1975 | 0.7% | 1.86% |
| 1974 | 0.67% | 1.87% |
| 1973 | 0.55% | 1.87% |
| 1972 | 0.42% | 1.85% |
| 1971 | -0.32% | 1.88% |
| 1970 | -0.39% | 1.91% |
| 1969 | 0.2% | 1.91% |
| 1968 | 0.24% | 1.92% |
| 1967 | 0.32% | 1.9% |
| 1966 | 0.43% | 1.86% |
| 1965 | 0.53% | 1.83% |
| 1964 | 0.59% | 1.77% |
| 1963 | 0.48% | 1.71% |
| 1962 | 0.4% | 1.65% |
| 1961 | -0.16% | 1.58% |
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/czech-republic/sierra-leone | CC BY
In 2025, the population of the Czech Republic declined by 0.17%, while Sierra Leone's population grew by 2.06%.
Live population counters
|
Czech Republic
|
Sierra Leone
|
|
|---|---|---|
| Current population |
10742283
|
9090531
|
| Population rank | 92/197 | 100/197 |
| Percent of world population | 0.13% | 0.11% |
| One net population change |
29 minutes
|
2.96 minutes
|
| One birth every |
6.26 minutes
|
2.02 minutes
|
| One death every |
4.68 minutes
|
7.41 minutes
|
| Daily growth/decline | -50 | +487 |
| Annual growth/decline | -18,150 | +177,772 |
| Annual growth/decline rate | -0.17% | +2.06% |
| Population growth rate rank | 173/197 | 47/197 |
| One migration net change every |
4.7 minutes
|
46.6 minutes
|
| Annual migration change | -112,188 | -11,309 |
| Net migration rank | 182/196 | 136/196 |
| Foreign-born residents | 1,025,199 | 49,997 |
| Foreign-born residents rank | 59/195 | 151/195 |
| Foreign-born share of population | 9.5% | 0.6% |
| Foreign-born share rank | 67/195 | 174/195 |
Natural population change vs migration
| Year | Population change | |||
|---|---|---|---|---|
|
Czech Republic
|
Sierra Leone
|
|||
| Natural | Migration | Natural | Migration | |
| 2025 | - | -112,188 | - | -11,309 |
| 2024 | -28,353 | -86,169 | 189,234 | -11,000 |
| 2023 | -21,729 | -14,638 | 188,788 | -4,000 |
| 2022 | -19,209 | 329,739 | 186,625 | -4,000 |
| 2021 | -28,365 | 4,111 | 183,326 | -1,544 |
| 2020 | -19,257 | 4,336 | 181,015 | 1,292 |
| 2019 | 0 | 5,553 | 181,068 | -2,238 |
| 2018 | 1,063 | 5,849 | 178,772 | -2,741 |
| 2017 | 3,178 | 5,747 | 173,259 | 1,234 |
| 2016 | 5,283 | 5,465 | 168,784 | 4,657 |
| 2015 | 0 | 5,037 | 162,275 | -356 |
| 2014 | 4,210 | 6,303 | 160,137 | 485 |
| 2013 | -2,103 | 5,427 | 161,265 | 2,773 |
| 2012 | 0 | 5,347 | 160,915 | 988 |
| 2011 | 2,099 | 16,841 | 158,858 | 6,895 |
| 2010 | 10,475 | 34,927 | 155,338 | 7,983 |
| 2009 | 10,444 | 31,270 | 152,669 | 18,145 |
| 2008 | 14,538 | 29,813 | 149,855 | 1,182 |
| 2007 | 9,268 | 27,887 | 145,740 | -6,042 |
| 2006 | 1,024 | 26,259 | 144,127 | -34,052 |
| 2005 | -6,126 | 26,203 | 137,234 | -1,805 |
| 2004 | -9,177 | 26,030 | 132,661 | 23,897 |
| 2003 | -17,330 | 25,997 | 130,312 | 69,185 |
| 2002 | -15,296 | 26,089 | 126,429 | 86,578 |
| 2001 | -16,347 | 21,749 | 116,647 | 227,791 |
| 2000 | -17,433 | 4,420 | 110,754 | 83,013 |
| 1999 | -20,568 | 5,965 | 102,295 | -84,926 |
| 1998 | -18,530 | 6,374 | 103,906 | -76,766 |
| 1997 | -21,639 | 6,664 | 105,433 | -48,437 |
| 1996 | -21,662 | 6,539 | 104,140 | -52,110 |
| 1995 | -21,687 | 6,459 | 100,885 | -112,857 |
| 1994 | -11,367 | 6,401 | 101,486 | -77,371 |
| 1993 | 3,099 | 7,197 | 103,317 | -95,476 |
| 1992 | 1,032 | 6,718 | 103,251 | -129,565 |
| 1991 | 4,124 | 5,568 | 105,477 | -238,965 |
| 1990 | 1,034 | -3,529 | 100,778 | 131,587 |
| 1989 | 1,036 | -2,175 | 98,298 | -5,079 |
| 1988 | 7,249 | -1,359 | 96,344 | 9,470 |
| 1987 | 4,138 | -1,514 | 94,235 | 9,558 |
| 1986 | 1,034 | -771 | 90,902 | 7,992 |
| 1985 | 4,135 | -1,173 | 88,869 | -7,873 |
| 1984 | 5,165 | -1,481 | 87,072 | -8,708 |
| 1983 | 3,097 | -1,971 | 84,628 | -8,783 |
| 1982 | 10,315 | -1,018 | 82,457 | -11,379 |
| 1981 | 13,391 | -372 | 80,111 | -12,699 |
| 1980 | 17,517 | 1,738 | 77,932 | -11,641 |
| 1979 | 44,257 | -13 | 75,992 | -13,095 |
| 1978 | 52,234 | -795 | 74,130 | -13,073 |
| 1977 | 55,009 | -1,968 | 71,663 | -12,399 |
| 1976 | 61,768 | -2,727 | 69,506 | -15,686 |
| 1975 | 67,393 | -3,057 | 67,560 | -13,058 |
| 1974 | 66,923 | -2,919 | 65,357 | -11,473 |
| 1973 | 57,549 | -2,625 | 62,443 | -9,322 |
| 1972 | 44,404 | -2,755 | 60,279 | -8,267 |
| 1971 | 31,445 | -2,598 | 58,484 | -8,162 |
| 1970 | 24,646 | -9,353 | 56,513 | -4,957 |
| 1969 | 22,762 | -8,133 | 54,768 | -4,485 |
| 1968 | 21,728 | -8,111 | 53,126 | -3,743 |
| 1967 | 29,558 | -8,137 | 51,734 | -2,819 |
| 1966 | 35,355 | -8,675 | 49,486 | -2,911 |
| 1965 | 43,029 | -7,545 | 47,223 | -1,851 |
| 1964 | 52,531 | -6,122 | 45,487 | -2,308 |
| 1963 | 48,353 | -5,753 | 43,569 | -2,480 |
| 1962 | 29,836 | -6,886 | 41,603 | -2,658 |
| 1961 | 36,430 | -5,712 | 40,022 | -2,947 |
| 1960 | 34,567 | 2,748 | 38,192 | -3,528 |
Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08).
GeoRank.org/population/czech-republic/sierra-leone | CC BY
Over the last 10 years, 28.8% of the population change in the Czech Republic is from natural causes (a loss of 107,389 people) and 71.2% is from migration (a gain of 265,030 people). In Sierra Leone 99% is from natural causes (a gain of 1,793,146 people) and 1.03% is from migration (a loss of 18,696 people).
As of 2024, 1,025,199 residents or 9.5% of the population were not native-born in the Czech Republic, compared to 49,997 people or 0.6% in Sierra Leone.
Biggest cities by population
|
Czech Republic
|
|
|---|---|
| City | Population |
| Prague | 1.4M |
| Brno | 403K |
| Ostrava | 283K |
| Plzen | 188K |
| Liberec | 108K |
| Olomouc | 103K |
| Ceske Budejovice | 97.2K |
| Hradec Kralove | 94.3K |
| Pardubice | 92.3K |
| Usti nad Labem | 90.9K |
|
Sierra Leone
|
|
|---|---|
| City | Population |
| Freetown | 951K |
| Bo | 234K |
| Kenema | 188K |
Compare countries by 7 more topics
Population differences between the Czech Republic and Sierra Leone
|
Czech Republic
|
Sierra Leone
|
|
|---|---|---|
| Life expectancy | 80.3 years | 62.3 years |
| Average age | 43.4 years | 24.6 years |
| Median age | 44.8 years | 20.7 years |
| Male:Female ratio | 49.3:50.7 | 49.9:50.1 |
| Fertility rate | 1.36 births per woman | 3.7 births per woman |
| Population density | 361 ppl/mi² | 323 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/czech-republic/sierra-leone | 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)
Creative Commons Attribution (CC BY) — you’re free to copy, share, remix, adapt, and use even commercially as long as you give appropriate credit and clearly indicate if you made changes. Other sources may be subject to different license terms.