The latest officially reported population of Bulgaria was 6,441,421 in 2024 vs 10,905,028 people in the Czech Republic in 2024. In 2026, based on the adjusted UN estimation, the current Bulgaria's population is 6,359,449 people compared to 10,649,126 in the Czech Republic.
Population statistics:
- The Czech Republic's population is 1.67 times bigger than Bulgaria's.
- Bulgaria is ranked the 112th most populous country in the world, while the Czech Republic is the 93rd.
- The countries together account for 0.21% of the world: 0.08% for Bulgaria vs 0.13% for the Czech Republic.
- For the last 10 years, Bulgaria has had an average growth rate of -0.96% per year vs +0.34% in the Czech Republic.
- Since 2006, the population of Bulgaria has decreased from 7.6M people to 6.36M (16.3% decline), while the Czech Republic has grown from 10.2M to 10.6M (4.01% growth).
Bulgaria vs Czech Republic: population by year and forecast
| Year | Population | |
|---|---|---|
Bulgaria
|
Czech Republic
|
|
| 2100 | 3,368,029 | 8,325,870 |
| 2099 | 3,392,444 | 8,347,035 |
| 2098 | 3,416,655 | 8,367,582 |
| 2097 | 3,440,938 | 8,387,141 |
| 2096 | 3,465,328 | 8,407,012 |
| 2095 | 3,489,216 | 8,425,776 |
| 2094 | 3,513,318 | 8,444,415 |
| 2093 | 3,537,356 | 8,462,470 |
| 2092 | 3,561,475 | 8,480,332 |
| 2091 | 3,585,597 | 8,497,856 |
| 2090 | 3,609,873 | 8,516,149 |
| 2089 | 3,634,642 | 8,534,417 |
| 2088 | 3,659,749 | 8,552,792 |
| 2087 | 3,685,668 | 8,572,217 |
| 2086 | 3,712,363 | 8,592,607 |
| 2085 | 3,739,898 | 8,613,126 |
| 2084 | 3,768,305 | 8,634,563 |
| 2083 | 3,797,217 | 8,656,688 |
| 2082 | 3,827,186 | 8,680,346 |
| 2081 | 3,857,721 | 8,705,288 |
| 2080 | 3,890,095 | 8,731,611 |
| 2079 | 3,923,403 | 8,759,446 |
| 2078 | 3,957,241 | 8,788,719 |
| 2077 | 3,992,168 | 8,819,271 |
| 2076 | 4,027,738 | 8,851,532 |
| 2075 | 4,064,356 | 8,886,209 |
| 2074 | 4,102,642 | 8,922,752 |
| 2073 | 4,141,518 | 8,961,377 |
| 2072 | 4,180,975 | 9,002,196 |
| 2071 | 4,221,261 | 9,044,814 |
| 2070 | 4,262,568 | 9,089,338 |
| 2069 | 4,304,304 | 9,135,444 |
| 2068 | 4,346,623 | 9,182,610 |
| 2067 | 4,389,924 | 9,231,075 |
| 2066 | 4,433,953 | 9,280,641 |
| 2065 | 4,478,521 | 9,331,222 |
| 2064 | 4,523,406 | 9,381,077 |
| 2063 | 4,568,385 | 9,430,947 |
| 2062 | 4,613,363 | 9,479,782 |
| 2061 | 4,658,825 | 9,527,543 |
| 2060 | 4,704,379 | 9,573,715 |
| 2059 | 4,749,738 | 9,618,240 |
| 2058 | 4,794,388 | 9,661,212 |
| 2057 | 4,839,236 | 9,702,890 |
| 2056 | 4,884,068 | 9,742,619 |
| 2055 | 4,929,309 | 9,780,337 |
| 2054 | 4,974,635 | 9,816,525 |
| 2053 | 5,020,162 | 9,850,555 |
| 2052 | 5,065,364 | 9,882,803 |
| 2051 | 5,110,833 | 9,913,797 |
| 2050 | 5,156,741 | 9,943,922 |
| 2049 | 5,202,941 | 9,972,314 |
| 2048 | 5,249,351 | 10,000,421 |
| 2047 | 5,296,642 | 10,028,123 |
| 2046 | 5,343,848 | 10,056,076 |
| 2045 | 5,391,354 | 10,083,671 |
| 2044 | 5,439,559 | 10,111,346 |
| 2043 | 5,488,407 | 10,139,564 |
| 2042 | 5,537,839 | 10,168,461 |
| 2041 | 5,588,510 | 10,198,407 |
| 2040 | 5,639,850 | 10,228,600 |
| 2039 | 5,692,028 | 10,260,066 |
| 2038 | 5,743,725 | 10,291,775 |
| 2037 | 5,796,645 | 10,324,680 |
| 2036 | 5,849,741 | 10,357,281 |
| 2035 | 5,902,025 | 10,390,525 |
| 2034 | 5,954,460 | 10,423,635 |
| 2033 | 6,007,050 | 10,456,466 |
| 2032 | 6,058,858 | 10,488,669 |
| 2031 | 6,111,118 | 10,519,813 |
| 2030 | 6,163,564 | 10,549,605 |
| 2029 | 6,214,784 | 10,578,033 |
| 2028 | 6,264,738 | 10,604,523 |
| 2027 | 6,313,255 | 10,627,835 |
| 2026 | 6,359,449 | 10,649,126 |
| 2025 | 6,402,394 | 10,792,466 |
| 2024 | 6,441,421 | 10,905,028 |
| 2023 | 6,446,596 | 10,864,042 |
| 2022 | 6,465,097 | 10,672,118 |
| 2021 | 6,507,301 | 10,505,772 |
| 2020 | 6,550,696 | 10,697,858 |
| 2019 | 6,616,726 | 10,671,870 |
| 2018 | 6,710,798 | 10,629,928 |
| 2017 | 6,803,468 | 10,594,438 |
| 2016 | 6,894,139 | 10,566,332 |
| 2015 | 6,984,225 | 10,546,059 |
| 2014 | 7,073,572 | 10,525,347 |
| 2013 | 7,160,005 | 10,514,272 |
| 2012 | 7,305,888 | 10,510,785 |
| 2011 | 7,348,328 | 10,496,088 |
| 2010 | 7,395,599 | 10,474,410 |
| 2009 | 7,444,443 | 10,443,936 |
| 2008 | 7,492,561 | 10,384,603 |
| 2007 | 7,545,338 | 10,298,828 |
| 2006 | 7,601,022 | 10,238,905 |
| 2005 | 7,658,972 | 10,211,216 |
| 2004 | 7,716,860 | 10,197,101 |
| 2003 | 7,775,327 | 10,193,998 |
| 2002 | 7,837,161 | 10,196,916 |
| 2001 | 8,009,142 | 10,216,605 |
| 2000 | 8,170,172 | 10,255,063 |
| 1999 | 8,210,624 | 10,283,860 |
| 1998 | 8,256,786 | 10,294,373 |
| 1997 | 8,312,068 | 10,304,131 |
| 1996 | 8,362,826 | 10,315,241 |
| 1995 | 8,406,067 | 10,327,253 |
| 1994 | 8,443,591 | 10,333,587 |
| 1993 | 8,472,313 | 10,329,855 |
| 1992 | 8,540,164 | 10,319,123 |
| 1991 | 8,632,367 | 10,308,578 |
| 1990 | 8,718,289 | 10,333,355 |
| 1989 | 8,876,972 | 10,361,068 |
| 1988 | 8,981,446 | 10,355,276 |
| 1987 | 8,971,359 | 10,347,318 |
| 1986 | 8,958,171 | 10,342,227 |
| 1985 | 8,960,547 | 10,337,118 |
| 1984 | 8,960,679 | 10,330,213 |
| 1983 | 8,939,738 | 10,323,856 |
| 1982 | 8,917,457 | 10,314,826 |
| 1981 | 8,891,117 | 10,300,591 |
| 1980 | 8,861,535 | 10,304,193 |
| 1979 | 8,825,940 | 10,292,341 |
| 1978 | 8,814,032 | 10,242,098 |
| 1977 | 8,804,183 | 10,186,755 |
| 1976 | 8,758,599 | 10,125,939 |
| 1975 | 8,720,742 | 10,058,620 |
| 1974 | 8,678,745 | 9,988,459 |
| 1973 | 8,620,967 | 9,922,266 |
| 1972 | 8,576,200 | 9,867,632 |
| 1971 | 8,536,395 | 9,826,815 |
| 1970 | 8,489,574 | 9,858,071 |
| 1969 | 8,434,172 | 9,896,580 |
| 1968 | 8,369,603 | 9,876,346 |
| 1967 | 8,310,226 | 9,852,899 |
| 1966 | 8,258,057 | 9,821,040 |
| 1965 | 8,204,168 | 9,779,358 |
| 1964 | 8,144,340 | 9,727,804 |
| 1963 | 8,078,145 | 9,670,685 |
| 1962 | 8,012,946 | 9,624,660 |
| 1961 | 7,943,118 | 9,586,651 |
| 1960 | 7,867,374 | 9,602,006 |
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/czech-republic | CC BY 
From 2006 to 2016, the population of Bulgaria decreased by 706,883 people (a 9.3% decline), while the Czech Republic gained 327,427 people (a 3.2% growth).
For the next 10 years, from 2016 to 2026, Bulgaria lost 534,690 people (a 7.76% decline), while the Czech Republic's population increased by 82,794 people (a 0.78% growth).
Bulgaria was ranked 95th most populous country in 2006 and is 112th in 2026. The Czech Republic was ranked 80th in 2006 and ranked 93rd 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 the Czech Republic will decrease by 6.62% to 9,943,922 people and rank change from 93rd to 98th.
Both countries are in a period of decline and in 50 years are projected to lose 36.7% of the population in Bulgaria and 16.9% in the Czech Republic.
Population growth rate by year
| Year | Growth rate | |
|---|---|---|
|
Bulgaria
|
Czech Republic
|
|
| 2100 | -0.72% | -0.25% |
| 2099 | -0.71% | -0.25% |
| 2098 | -0.71% | -0.23% |
| 2097 | -0.7% | -0.24% |
| 2096 | -0.68% | -0.22% |
| 2095 | -0.69% | -0.22% |
| 2094 | -0.68% | -0.21% |
| 2093 | -0.68% | -0.21% |
| 2092 | -0.67% | -0.21% |
| 2091 | -0.67% | -0.21% |
| 2090 | -0.68% | -0.21% |
| 2089 | -0.69% | -0.21% |
| 2088 | -0.7% | -0.23% |
| 2087 | -0.72% | -0.24% |
| 2086 | -0.74% | -0.24% |
| 2085 | -0.75% | -0.25% |
| 2084 | -0.76% | -0.26% |
| 2083 | -0.78% | -0.27% |
| 2082 | -0.79% | -0.29% |
| 2081 | -0.83% | -0.3% |
| 2080 | -0.85% | -0.32% |
| 2079 | -0.86% | -0.33% |
| 2078 | -0.87% | -0.35% |
| 2077 | -0.88% | -0.36% |
| 2076 | -0.9% | -0.39% |
| 2075 | -0.93% | -0.41% |
| 2074 | -0.94% | -0.43% |
| 2073 | -0.94% | -0.45% |
| 2072 | -0.95% | -0.47% |
| 2071 | -0.97% | -0.49% |
| 2070 | -0.97% | -0.5% |
| 2069 | -0.97% | -0.51% |
| 2068 | -0.99% | -0.53% |
| 2067 | -0.99% | -0.53% |
| 2066 | -1% | -0.54% |
| 2065 | -0.99% | -0.53% |
| 2064 | -0.98% | -0.53% |
| 2063 | -0.97% | -0.52% |
| 2062 | -0.98% | -0.5% |
| 2061 | -0.97% | -0.48% |
| 2060 | -0.95% | -0.46% |
| 2059 | -0.93% | -0.44% |
| 2058 | -0.93% | -0.43% |
| 2057 | -0.92% | -0.41% |
| 2056 | -0.92% | -0.39% |
| 2055 | -0.91% | -0.37% |
| 2054 | -0.91% | -0.35% |
| 2053 | -0.89% | -0.33% |
| 2052 | -0.89% | -0.31% |
| 2051 | -0.89% | -0.3% |
| 2050 | -0.89% | -0.28% |
| 2049 | -0.88% | -0.28% |
| 2048 | -0.89% | -0.28% |
| 2047 | -0.88% | -0.28% |
| 2046 | -0.88% | -0.27% |
| 2045 | -0.89% | -0.27% |
| 2044 | -0.89% | -0.28% |
| 2043 | -0.89% | -0.28% |
| 2042 | -0.91% | -0.29% |
| 2041 | -0.91% | -0.3% |
| 2040 | -0.92% | -0.31% |
| 2039 | -0.9% | -0.31% |
| 2038 | -0.91% | -0.32% |
| 2037 | -0.91% | -0.31% |
| 2036 | -0.89% | -0.32% |
| 2035 | -0.88% | -0.32% |
| 2034 | -0.88% | -0.31% |
| 2033 | -0.86% | -0.31% |
| 2032 | -0.86% | -0.3% |
| 2031 | -0.85% | -0.28% |
| 2030 | -0.82% | -0.27% |
| 2029 | -0.8% | -0.25% |
| 2028 | -0.77% | -0.22% |
| 2027 | -0.73% | -0.2% |
| 2026 | -0.67% | -1.33% |
| 2025 | -0.61% | -1.03% |
| 2024 | -0.08% | 0.38% |
| 2023 | -0.29% | 1.8% |
| 2022 | -0.65% | 1.58% |
| 2021 | -0.66% | -1.8% |
| 2020 | -1% | 0.24% |
| 2019 | -1.4% | 0.39% |
| 2018 | -1.36% | 0.33% |
| 2017 | -1.32% | 0.27% |
| 2016 | -1.29% | 0.19% |
| 2015 | -1.26% | 0.2% |
| 2014 | -1.21% | 0.11% |
| 2013 | -2% | 0.03% |
| 2012 | -0.58% | 0.14% |
| 2011 | -0.64% | 0.21% |
| 2010 | -0.66% | 0.29% |
| 2009 | -0.64% | 0.57% |
| 2008 | -0.7% | 0.83% |
| 2007 | -0.73% | 0.59% |
| 2006 | -0.76% | 0.27% |
| 2005 | -0.75% | 0.14% |
| 2004 | -0.75% | 0.03% |
| 2003 | -0.79% | -0.03% |
| 2002 | -2.15% | -0.19% |
| 2001 | -1.97% | -0.38% |
| 2000 | -0.49% | -0.28% |
| 1999 | -0.56% | -0.1% |
| 1998 | -0.67% | -0.09% |
| 1997 | -0.61% | -0.11% |
| 1996 | -0.51% | -0.12% |
| 1995 | -0.44% | -0.06% |
| 1994 | -0.34% | 0.04% |
| 1993 | -0.79% | 0.1% |
| 1992 | -1.07% | 0.1% |
| 1991 | -0.99% | -0.24% |
| 1990 | -1.79% | -0.27% |
| 1989 | -1.16% | 0.06% |
| 1988 | 0.11% | 0.08% |
| 1987 | 0.15% | 0.05% |
| 1986 | -0.03% | 0.05% |
| 1985 | -0.001% | 0.07% |
| 1984 | 0.23% | 0.06% |
| 1983 | 0.25% | 0.09% |
| 1982 | 0.3% | 0.14% |
| 1981 | 0.33% | -0.03% |
| 1980 | 0.4% | 0.12% |
| 1979 | 0.14% | 0.49% |
| 1978 | 0.11% | 0.54% |
| 1977 | 0.52% | 0.6% |
| 1976 | 0.43% | 0.67% |
| 1975 | 0.48% | 0.7% |
| 1974 | 0.67% | 0.67% |
| 1973 | 0.52% | 0.55% |
| 1972 | 0.47% | 0.42% |
| 1971 | 0.55% | -0.32% |
| 1970 | 0.66% | -0.39% |
| 1969 | 0.77% | 0.2% |
| 1968 | 0.71% | 0.24% |
| 1967 | 0.63% | 0.32% |
| 1966 | 0.66% | 0.43% |
| 1965 | 0.73% | 0.53% |
| 1964 | 0.82% | 0.59% |
| 1963 | 0.81% | 0.48% |
| 1962 | 0.88% | 0.4% |
| 1961 | 0.96% | -0.16% |
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/czech-republic | CC BY
In 2024, the population of Bulgaria declined by 0.08%, while the Czech Republic's population grew by 0.38%.
Live population counters
|
Bulgaria
|
Czech Republic
|
|
|---|---|---|
| Current population |
6359449
|
10649126
|
| Population rank | 112/197 | 93/197 |
| Percent of world population | 0.08% | 0.13% |
| One net population change |
1.69 hours
|
12.8 minutes
|
| One birth every |
9.16 minutes
|
5.76 minutes
|
| One death every |
5.19 minutes
|
4.65 minutes
|
| Daily growth/decline | -14 | +112 |
| Annual growth/decline | -5,175 | +40,986 |
| Annual growth/decline rate | -0.08% | +0.38% |
| Population growth rate rank | 171/197 | 142/197 |
| One migration net change every |
2.97 hours
|
4.7 minutes
|
| Annual migration change | -2,961 | -112,188 |
| Net migration rank | 106/196 | 182/196 |
| Foreign-born residents | 299,100 | 1,025,199 |
| Foreign-born residents rank | 98/195 | 59/195 |
| Foreign-born share of population | 4.4% | 9.5% |
| Foreign-born share rank | 99/195 | 67/195 |
Natural population change vs migration
| Year | Population change | |||
|---|---|---|---|---|
|
Bulgaria
|
Czech Republic
|
|||
| Natural | Migration | Natural | Migration | |
| 2025 | - | -2,961 | - | -112,188 |
| 2024 | - | 524 | - | -86,169 |
| 2023 | -43,837 | 5,173 | -21,729 | -14,638 |
| 2022 | -62,065 | 26,498 | -19,209 | 329,739 |
| 2021 | -90,452 | 11,756 | -28,365 | 4,111 |
| 2020 | -65,507 | 30,167 | -19,257 | 4,336 |
| 2019 | -46,317 | -2,156 | 0 | 5,553 |
| 2018 | -46,304 | -3,873 | 1,063 | 5,849 |
| 2017 | -45,583 | -6,109 | 3,178 | 5,747 |
| 2016 | -42,744 | -9,482 | 5,283 | 5,465 |
| 2015 | -44,699 | -4,227 | 0 | 5,037 |
| 2014 | -41,027 | -2,180 | 4,210 | 6,303 |
| 2013 | -37,948 | -1,324 | -2,103 | 5,427 |
| 2012 | -40,183 | -26,334 | 0 | 5,347 |
| 2011 | -37,477 | -23,360 | 2,099 | 16,841 |
| 2010 | -34,759 | -21,668 | 10,475 | 34,927 |
| 2009 | -26,800 | -19,060 | 10,444 | 31,270 |
| 2008 | -32,967 | -17,595 | 14,538 | 29,813 |
| 2007 | -37,727 | -16,366 | 9,268 | 27,887 |
| 2006 | -39,526 | -15,184 | 1,024 | 26,259 |
| 2005 | -42,124 | -14,435 | -6,126 | 26,203 |
| 2004 | -40,128 | -13,604 | -9,177 | 26,030 |
| 2003 | -44,319 | -13,183 | -17,330 | 25,997 |
| 2002 | -46,240 | -12,735 | -15,296 | 26,089 |
| 2001 | -44,050 | -30,726 | -16,347 | 21,749 |
| 2000 | -41,668 | -26,211 | -17,433 | 4,420 |
| 1999 | -39,411 | -23,846 | -20,568 | 5,965 |
| 1998 | -52,844 | -23,262 | -18,530 | 6,374 |
| 1997 | -58,185 | -22,963 | -21,639 | 6,664 |
| 1996 | -45,159 | -21,520 | -21,662 | 6,539 |
| 1995 | -42,030 | -22,020 | -21,687 | 6,459 |
| 1994 | -32,086 | -20,984 | -11,367 | 6,401 |
| 1993 | -24,569 | -19,973 | 3,099 | 7,197 |
| 1992 | -18,789 | -120,552 | 1,032 | 6,718 |
| 1991 | -14,675 | -119,356 | 4,124 | 5,568 |
| 1990 | -3,487 | -116,817 | 1,034 | -3,529 |
| 1989 | 5,326 | -114,705 | 1,036 | -2,175 |
| 1988 | 9,879 | 215 | 7,249 | -1,359 |
| 1987 | 8,971 | 357 | 4,138 | -1,514 |
| 1986 | 16,125 | 1,104 | 1,034 | -771 |
| 1985 | 11,649 | -19,230 | 4,135 | -1,173 |
| 1984 | 20,610 | -1,032 | 5,165 | -1,481 |
| 1983 | 21,455 | -1,872 | 3,097 | -1,971 |
| 1982 | 24,077 | -1,860 | 10,315 | -1,018 |
| 1981 | 29,341 | -1,830 | 13,391 | -372 |
| 1980 | 30,129 | -2,045 | 17,517 | 1,738 |
| 1979 | 40,599 | -872 | 44,257 | -13 |
| 1978 | 44,070 | -62,769 | 52,234 | -795 |
| 1977 | 47,543 | -11,955 | 55,009 | -1,968 |
| 1976 | 56,055 | -2,522 | 61,768 | -2,727 |
| 1975 | 54,941 | -38,071 | 67,393 | -3,057 |
| 1974 | 64,223 | -1,402 | 66,923 | -2,919 |
| 1973 | 57,760 | -5,409 | 57,549 | -2,625 |
| 1972 | 47,169 | -11,296 | 44,404 | -2,755 |
| 1971 | 52,925 | -7,654 | 31,445 | -2,598 |
| 1970 | 61,125 | -11,315 | 24,646 | -9,353 |
| 1969 | 63,256 | -3,204 | 22,762 | -8,133 |
| 1968 | 69,468 | -132 | 21,728 | -8,111 |
| 1967 | 49,861 | -420 | 29,558 | -8,137 |
| 1966 | 54,504 | -144 | 35,355 | -8,675 |
| 1965 | 58,249 | -1,406 | 43,029 | -7,545 |
| 1964 | 66,783 | 505 | 52,531 | -6,122 |
| 1963 | 66,241 | 500 | 48,353 | -5,753 |
| 1962 | 64,104 | 499 | 29,836 | -6,886 |
| 1961 | 75,460 | 378 | 36,430 | -5,712 |
| 1960 | 76,314 | -1,112 | 34,567 | 2,748 |
Data sources: World Bank | Health (1960–2025, retrieved 2026-04-06).
GeoRank.org/population/bulgaria/czech-republic | 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 the Czech Republic 17.3% is from natural causes (a loss of 74,826 people) and 82.7% is from migration (a gain of 357,502 people).
As of 2024, 299,100 residents or 4.4% of the population were not native-born in Bulgaria, compared to 1,025,199 people or 9.5% in the Czech Republic.
Biggest cities by population
|
Bulgaria
|
|
|---|---|
| City | Population |
| Sofia | 1.21M |
| Plovdiv | 329K |
| Varna | 319K |
| Burgas | 189K |
| Stara Zagora | 121K |
| Ruse | 121K |
| Pleven | 88.6K |
| Sliven | 78.2K |
| Dobrich | 69.4K |
| Shumen | 66.6K |
|
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 |
Compare countries by 7 more topics
Population differences between Bulgaria and the Czech Republic
|
Bulgaria
|
Czech Republic
|
|
|---|---|---|
| Life expectancy | 76.1 years | 80.3 years |
| Average age | 44.1 years | 43 years |
| Median age | 45.5 years | 44.1 years |
| Male:Female ratio | 48.4:51.6 | 49.3:50.7 |
| Fertility rate | 1.81 births per woman | 1.45 births per woman |
| Population density | 151.7 ppl/mi² | 357 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/czech-republic | 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)
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.