The latest officially reported population of Bulgaria was 6,444,366 in 2024 vs 5,422,069 people in Slovakia in 2024. In 2025, based on the adjusted UN estimation, the current Bulgaria's population is 6,403,235 people compared to 5,390,674 in Slovakia.
Population statistics:
- Bulgaria's population is 1.19 times bigger than Slovakia's.
- Bulgaria is ranked the 111th most populous country in the world, while Slovakia is the 125th.
- The countries together account for 0.14% of the world: 0.08% for Bulgaria vs 0.07% for Slovakia.
- For the last 10 years, Bulgaria has had an average growth rate of -0.95% per year vs +0.01% in Slovakia.
- Since 2005, the population of Bulgaria has decreased from 7.66M people to 6.4M (16.4% decline), while Slovakia has grown from 5.37M to 5.39M (0.33% growth).
- Both countries are in a period of decline and in 50 years are projected to lose 36.6% of the population in Bulgaria and 25.3% in Slovakia.
Bulgaria vs Slovakia: live population counter
Bulgaria
|
Slovakia
|
|
|---|---|---|
| Current population |
6403235
|
5390674
|
| Population rank | 111/197 | 125/197 |
| Percent of world population | 0.08% | 0.07% |
| One net population change |
3.93 hours
|
1.88 hours
|
| One birth every |
9.16 minutes
|
10.8 minutes
|
| One death every |
5.19 minutes
|
9.69 minutes
|
| One migration net change every |
16.7 hours
|
25 minutes
|
| Annual migration change | +524 | -21,027 |
| Daily growth/decline | -6 | -13 |
| Annual growth/decline | -2,230 | -4,671 |
| Annual growth/decline rate | -0.03% | -0.09% |
| Population growth rate rank | 168/197 | 171/197 |
Bulgaria and Slovakia: population history and growth rate by year chart
Bulgaria
Population
Growth rate
Slovakia
Population
Growth rate
| Year | Population | Growth rate | ||
|---|---|---|---|---|
|
Bulgaria
|
Slovakia
|
Bulgaria
|
Slovakia
|
|
| 1960 | 7,867,374 | 4,068,095 | - | - |
| 1961 | 7,943,118 | 4,191,667 | 0.96% | 3.04% |
| 1962 | 8,012,946 | 4,238,188 | 0.88% | 1.11% |
| 1963 | 8,078,145 | 4,282,017 | 0.81% | 1.03% |
| 1964 | 8,144,340 | 4,327,341 | 0.82% | 1.06% |
| 1965 | 8,204,168 | 4,370,983 | 0.73% | 1.01% |
| 1966 | 8,258,057 | 4,411,666 | 0.66% | 0.93% |
| 1967 | 8,310,226 | 4,449,367 | 0.63% | 0.85% |
| 1968 | 8,369,603 | 4,483,915 | 0.71% | 0.78% |
| 1969 | 8,434,172 | 4,518,607 | 0.77% | 0.77% |
| 1970 | 8,489,574 | 4,538,223 | 0.66% | 0.43% |
| 1971 | 8,536,395 | 4,557,449 | 0.55% | 0.42% |
| 1972 | 8,576,200 | 4,596,622 | 0.47% | 0.86% |
| 1973 | 8,620,967 | 4,641,445 | 0.52% | 0.98% |
| 1974 | 8,678,745 | 4,689,623 | 0.67% | 1.04% |
| 1975 | 8,720,742 | 4,739,105 | 0.48% | 1.06% |
| 1976 | 8,758,599 | 4,789,507 | 0.43% | 1.06% |
| 1977 | 8,804,183 | 4,840,501 | 0.52% | 1.06% |
| 1978 | 8,814,032 | 4,890,125 | 0.11% | 1.03% |
| 1979 | 8,825,940 | 4,938,973 | 0.14% | 1% |
| 1980 | 8,861,535 | 4,979,815 | 0.4% | 0.83% |
| 1981 | 8,891,117 | 5,016,105 | 0.33% | 0.73% |
| 1982 | 8,917,457 | 5,055,099 | 0.3% | 0.78% |
| 1983 | 8,939,738 | 5,091,971 | 0.25% | 0.73% |
| 1984 | 8,960,679 | 5,127,097 | 0.23% | 0.69% |
| 1985 | 8,960,547 | 5,161,768 | -0.001% | 0.68% |
| 1986 | 8,958,171 | 5,193,838 | -0.03% | 0.62% |
| 1987 | 8,971,359 | 5,222,840 | 0.15% | 0.56% |
| 1988 | 8,981,446 | 5,250,596 | 0.11% | 0.53% |
| 1989 | 8,876,972 | 5,275,942 | -1.16% | 0.48% |
| 1990 | 8,718,289 | 5,299,187 | -1.79% | 0.44% |
| 1991 | 8,632,367 | 5,303,294 | -0.99% | 0.08% |
| 1992 | 8,540,164 | 5,305,016 | -1.07% | 0.03% |
| 1993 | 8,472,313 | 5,325,305 | -0.79% | 0.38% |
| 1994 | 8,443,591 | 5,346,331 | -0.34% | 0.39% |
| 1995 | 8,406,067 | 5,361,999 | -0.44% | 0.29% |
| 1996 | 8,362,826 | 5,373,361 | -0.51% | 0.21% |
| 1997 | 8,312,068 | 5,383,291 | -0.61% | 0.18% |
| 1998 | 8,256,786 | 5,390,516 | -0.67% | 0.13% |
| 1999 | 8,210,624 | 5,396,020 | -0.56% | 0.1% |
| 2000 | 8,170,172 | 5,388,720 | -0.49% | -0.14% |
| 2001 | 8,009,142 | 5,378,867 | -1.97% | -0.18% |
| 2002 | 7,837,161 | 5,376,912 | -2.15% | -0.04% |
| 2003 | 7,775,327 | 5,373,374 | -0.79% | -0.07% |
| 2004 | 7,716,860 | 5,372,280 | -0.75% | -0.02% |
| 2005 | 7,658,972 | 5,372,807 | -0.75% | 0.01% |
| 2006 | 7,601,022 | 5,373,054 | -0.76% | 0.005% |
| 2007 | 7,545,338 | 5,374,622 | -0.73% | 0.03% |
| 2008 | 7,492,561 | 5,379,233 | -0.7% | 0.09% |
| 2009 | 7,444,443 | 5,386,406 | -0.64% | 0.13% |
| 2010 | 7,395,599 | 5,391,428 | -0.66% | 0.09% |
| 2011 | 7,348,328 | 5,398,384 | -0.64% | 0.13% |
| 2012 | 7,305,888 | 5,407,579 | -0.58% | 0.17% |
| 2013 | 7,160,005 | 5,413,393 | -2% | 0.11% |
| 2014 | 7,073,572 | 5,418,649 | -1.21% | 0.1% |
| 2015 | 6,984,225 | 5,423,801 | -1.26% | 0.1% |
| 2016 | 6,894,139 | 5,430,798 | -1.29% | 0.13% |
| 2017 | 6,803,468 | 5,439,232 | -1.32% | 0.16% |
| 2018 | 6,710,798 | 5,446,771 | -1.36% | 0.14% |
| 2019 | 6,616,726 | 5,454,147 | -1.4% | 0.14% |
| 2020 | 6,550,696 | 5,458,827 | -1% | 0.09% |
| 2021 | 6,507,301 | 5,447,247 | -0.66% | -0.21% |
| 2022 | 6,465,097 | 5,431,752 | -0.65% | -0.28% |
| 2023 | 6,446,596 | 5,426,740 | -0.29% | -0.09% |
| 2024 | 6,444,366 | 5,422,069 | -0.03% | -0.09% |
| 2025 | 6,403,235 | 5,390,674 | -0.64% | -0.58% |
| 2026 | 6,358,515 | 5,367,504 | -0.7% | -0.43% |
| 2027 | 6,310,991 | 5,357,756 | -0.75% | -0.18% |
| 2028 | 6,261,580 | 5,346,292 | -0.78% | -0.21% |
| 2029 | 6,210,816 | 5,333,135 | -0.81% | -0.25% |
| 2030 | 6,158,806 | 5,318,323 | -0.84% | -0.28% |
| 2031 | 6,106,271 | 5,302,079 | -0.85% | -0.31% |
| 2032 | 6,054,057 | 5,284,585 | -0.86% | -0.33% |
| 2033 | 6,001,675 | 5,265,970 | -0.87% | -0.35% |
| 2034 | 5,948,975 | 5,246,341 | -0.88% | -0.37% |
| 2035 | 5,896,427 | 5,225,725 | -0.88% | -0.39% |
| 2036 | 5,843,557 | 5,204,191 | -0.9% | -0.41% |
| 2037 | 5,790,371 | 5,181,996 | -0.91% | -0.43% |
| 2038 | 5,737,870 | 5,159,193 | -0.91% | -0.44% |
| 2039 | 5,685,753 | 5,135,906 | -0.91% | -0.45% |
| 2040 | 5,633,818 | 5,112,164 | -0.91% | -0.46% |
| 2041 | 5,582,636 | 5,088,002 | -0.91% | -0.47% |
| 2042 | 5,532,405 | 5,063,600 | -0.9% | -0.48% |
| 2043 | 5,483,086 | 5,038,933 | -0.89% | -0.49% |
| 2044 | 5,434,397 | 5,014,014 | -0.89% | -0.49% |
| 2045 | 5,386,376 | 4,988,989 | -0.88% | -0.5% |
| 2046 | 5,338,852 | 4,963,847 | -0.88% | -0.5% |
| 2047 | 5,291,441 | 4,938,476 | -0.89% | -0.51% |
| 2048 | 5,244,419 | 4,912,885 | -0.89% | -0.52% |
| 2049 | 5,197,955 | 4,886,923 | -0.89% | -0.53% |
| 2050 | 5,151,745 | 4,860,572 | -0.89% | -0.54% |
From 2005 to 2015, the population of Bulgaria decreased by 674,747 people (a 8.81% decline), while Slovakia gained 50,994 people (a 0.95% growth).
For the next 10 years, from 2015 to 2025, Bulgaria lost -580,990 (a 8.32% decline), while Slovakia's population decreased by -33,127 (a 0.61% decline).
Bulgaria was ranked 92nd most populous country in 2005 and is 111th in 2025. Slovakia was ranked 109th in 2005 and ranked 125th now.
The UN's World Population Prospects forecasts that with changing growth rate trends in 25 years (in 2050) Bulgaria's population will shrink by 19.5% to 5,151,745 people with a rank change from 111th to 128th. The population of Slovakia will decrease by 9.83% to 4,860,572 people and rank change from 125th to 129th.
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Population differences between Bulgaria and Slovakia
|
Bulgaria
|
Slovakia
|
|
|---|---|---|
| Life expectancy | 76 years | 78.7 years |
| Average age | 44.1 years | 42 years |
| Median age | 45.5 years | 42.7 years |
| Male:Female ratio | 48.4:51.6 | 48.8:51.2 |
| Fertility rate | 1.81 births per woman | 1.49 births per woman |
| Population density | 153.7 ppl/mi² | 292.1 ppl/mi² |
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Growth rate visualization in other countries
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