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Population in Bulgaria compared to Costa Rica: Trends, Charts, Rankings

Updated on by Georank

The latest officially reported population of Bulgaria was 6,433,302 in 2025 vs 5,152,950 people in Costa Rica in 2025. In 2026, based on the adjusted UN estimation, the current Bulgaria's population is 6,390,149 people compared to 5,186,356 in Costa Rica.

Population statistics:

  • Bulgaria's population is 1.23 times bigger than Costa Rica's.
  • Bulgaria is ranked the 112th most populous country in the world, while Costa Rica is the 126th.
  • The countries together account for 0.14% of the world: 0.08% for Bulgaria vs 0.06% for Costa Rica.
  • For the last 10 years, Bulgaria has had an average growth rate of -0.86% per year vs +0.71% in Costa Rica.
  • Since 2006, the population of Bulgaria has decreased from 7.6M people to 6.39M (15.9% decline), while Costa Rica has grown from 4.32M to 5.19M (20% growth).

Bulgaria vs Costa Rica: population by year and forecast

Bulgaria
Factual

Projection
Costa Rica
Factual

Projection
1x
Year Population
Bulgaria Costa Rica
2100 3,384,288 3,803,678
2099 3,408,821 3,841,913
2098 3,433,149 3,880,484
2097 3,457,549 3,919,475
2096 3,482,057 3,958,826
2095 3,506,060 3,998,552
2094 3,530,278 4,038,516
2093 3,554,432 4,078,807
2092 3,578,667 4,119,351
2091 3,602,907 4,160,111
2090 3,627,300 4,200,989
2089 3,652,188 4,241,888
2088 3,677,416 4,282,758
2087 3,703,460 4,323,650
2086 3,730,284 4,364,399
2085 3,757,953 4,404,935
2084 3,786,496 4,445,179
2083 3,815,548 4,485,048
2082 3,845,662 4,524,570
2081 3,876,344 4,563,658
2080 3,908,874 4,602,126
2079 3,942,344 4,640,060
2078 3,976,345 4,677,313
2077 4,011,440 4,713,901
2076 4,047,182 4,749,678
2075 4,083,977 4,784,723
2074 4,122,447 4,819,050
2073 4,161,511 4,852,492
2072 4,201,158 4,885,078
2071 4,241,639 4,916,792
2070 4,283,145 4,947,655
2069 4,325,083 4,977,764
2068 4,367,606 5,006,939
2067 4,411,116 5,035,207
2066 4,455,358 5,062,849
2065 4,500,141 5,089,797
2064 4,545,243 5,115,866
2063 4,590,439 5,141,239
2062 4,635,634 5,165,574
2061 4,681,315 5,189,146
2060 4,727,089 5,211,857
2059 4,772,667 5,233,370
2058 4,817,532 5,253,830
2057 4,862,597 5,273,143
2056 4,907,646 5,291,310
2055 4,953,105 5,308,124
2054 4,998,650 5,323,598
2053 5,044,397 5,337,707
2052 5,089,817 5,350,263
2051 5,135,505 5,361,152
2050 5,181,635 5,370,484
2049 5,228,058 5,378,189
2048 5,274,692 5,384,366
2047 5,322,212 5,388,962
2046 5,369,645 5,391,996
2045 5,417,381 5,393,493
2044 5,465,818 5,393,407
2043 5,514,902 5,391,873
2042 5,564,573 5,388,912
2041 5,615,489 5,384,386
2040 5,667,076 5,378,629
2039 5,719,506 5,371,473
2038 5,771,452 5,362,904
2037 5,824,628 5,353,217
2036 5,877,980 5,342,317
2035 5,930,517 5,330,286
2034 5,983,205 5,317,189
2033 6,036,049 5,302,930
2032 6,088,107 5,287,714
2031 6,140,619 5,271,514
2030 6,193,318 5,254,366
2029 6,244,785 5,236,206
2028 6,294,981 5,217,031
2027 6,343,732 5,196,723
2026 6,390,149 5,175,408
2025 6,433,302 5,152,950
2024 6,441,421 5,129,910
2023 6,446,596 5,105,525
2022 6,465,097 5,081,765
2021 6,507,301 5,059,988
2020 6,550,696 5,034,320
2019 6,616,726 4,999,553
2018 6,710,798 4,957,818
2017 6,803,468 4,913,177
2016 6,894,139 4,866,998
2015 6,984,225 4,818,038
2014 7,073,572 4,767,119
2013 7,160,005 4,716,147
2012 7,305,888 4,663,934
2011 7,348,328 4,609,833
2010 7,395,599 4,555,962
2009 7,444,443 4,499,791
2008 7,492,561 4,440,056
2007 7,545,338 4,380,248
2006 7,601,022 4,321,340
2005 7,658,972 4,261,240
2004 7,716,860 4,200,078
2003 7,775,327 4,138,784
2002 7,837,161 4,075,705
2001 8,009,142 4,008,947
2000 8,170,172 3,937,739
1999 8,210,624 3,862,101
1998 8,256,786 3,782,838
1997 8,312,068 3,701,711
1996 8,362,826 3,619,013
1995 8,406,067 3,535,176
1994 8,443,591 3,451,122
1993 8,472,313 3,367,434
1992 8,540,164 3,284,258
1991 8,632,367 3,202,176
1990 8,718,289 3,121,706
1989 8,876,972 3,043,827
1988 8,981,446 2,968,103
1987 8,971,359 2,892,699
1986 8,958,171 2,817,216
1985 8,960,547 2,741,894
1984 8,960,679 2,667,595
1983 8,939,738 2,595,153
1982 8,917,457 2,524,806
1981 8,891,117 2,456,637
1980 8,861,535 2,390,633
1979 8,825,940 2,326,490
1978 8,814,032 2,264,510
1977 8,804,183 2,205,025
1976 8,758,599 2,147,774
1975 8,720,742 2,092,719
1974 8,678,745 2,039,643
1973 8,620,967 1,988,343
1972 8,576,200 1,938,248
1971 8,536,395 1,888,539
1970 8,489,574 1,838,949
1969 8,434,172 1,789,276
1968 8,369,603 1,739,731
1967 8,310,226 1,689,523
1966 8,258,057 1,638,116
1965 8,204,168 1,586,208
1964 8,144,340 1,533,960
1963 8,078,145 1,481,604
1962 8,012,946 1,429,445
1961 7,943,118 1,377,920
1960 7,867,374 1,327,496

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/bulgaria/costa-rica | CC BY

From 2006 to 2016, the population of Bulgaria decreased by 706,883 people (a 9.3% decline), while Costa Rica gained 545,658 people (a 12.6% growth).

For the next 10 years, from 2016 to 2026, Bulgaria lost 503,990 people (a 7.31% decline), while Costa Rica's population increased by 319,358 people (a 6.56% growth).

Bulgaria was ranked 95th most populous country in 2006 and is 112th in 2026. Costa Rica was ranked 119th in 2006 and ranked 126th now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) Bulgaria's population will shrink by 18.9% to 5,181,635 people with a rank change from 112th to 128th. The population of Costa Rica will increase by 3.55% to 5,370,484 people and rank change from 126th to 127th.

Costa Rica is projected to reach its peak in 2045 at 5.39M people, while Bulgaria's population already peaked in 1988 at 8.98M people and is projected to decrease to 3.38M people by 2100.

Population growth rate by year

Bulgaria
Factual

Projection
Costa Rica
Factual

Projection
1x
Year Growth rate
Bulgaria Costa Rica
2100 -0.72% -1%
2099 -0.71% -0.99%
2098 -0.71% -0.99%
2097 -0.7% -0.99%
2096 -0.68% -0.99%
2095 -0.69% -0.99%
2094 -0.68% -0.99%
2093 -0.68% -0.98%
2092 -0.67% -0.98%
2091 -0.67% -0.97%
2090 -0.68% -0.96%
2089 -0.69% -0.95%
2088 -0.7% -0.95%
2087 -0.72% -0.93%
2086 -0.74% -0.92%
2085 -0.75% -0.91%
2084 -0.76% -0.89%
2083 -0.78% -0.87%
2082 -0.79% -0.86%
2081 -0.83% -0.84%
2080 -0.85% -0.82%
2079 -0.86% -0.8%
2078 -0.87% -0.78%
2077 -0.88% -0.75%
2076 -0.9% -0.73%
2075 -0.93% -0.71%
2074 -0.94% -0.69%
2073 -0.94% -0.67%
2072 -0.95% -0.65%
2071 -0.97% -0.62%
2070 -0.97% -0.6%
2069 -0.97% -0.58%
2068 -0.99% -0.56%
2067 -0.99% -0.55%
2066 -1% -0.53%
2065 -0.99% -0.51%
2064 -0.98% -0.49%
2063 -0.97% -0.47%
2062 -0.98% -0.45%
2061 -0.97% -0.44%
2060 -0.95% -0.41%
2059 -0.93% -0.39%
2058 -0.93% -0.37%
2057 -0.92% -0.34%
2056 -0.92% -0.32%
2055 -0.91% -0.29%
2054 -0.91% -0.26%
2053 -0.89% -0.23%
2052 -0.89% -0.2%
2051 -0.89% -0.17%
2050 -0.89% -0.14%
2049 -0.88% -0.11%
2048 -0.89% -0.09%
2047 -0.88% -0.06%
2046 -0.88% -0.03%
2045 -0.89% 0.002%
2044 -0.89% 0.03%
2043 -0.89% 0.05%
2042 -0.91% 0.08%
2041 -0.91% 0.11%
2040 -0.92% 0.13%
2039 -0.9% 0.16%
2038 -0.91% 0.18%
2037 -0.91% 0.2%
2036 -0.89% 0.23%
2035 -0.88% 0.25%
2034 -0.88% 0.27%
2033 -0.86% 0.29%
2032 -0.86% 0.31%
2031 -0.85% 0.33%
2030 -0.82% 0.35%
2029 -0.8% 0.37%
2028 -0.77% 0.39%
2027 -0.73% 0.41%
2026 -0.67% 0.44%
2025 -0.13% 0.45%
2024 -0.08% 0.48%
2023 -0.29% 0.47%
2022 -0.65% 0.43%
2021 -0.66% 0.51%
2020 -1% 0.7%
2019 -1.4% 0.84%
2018 -1.36% 0.91%
2017 -1.32% 0.95%
2016 -1.29% 1.02%
2015 -1.26% 1.07%
2014 -1.21% 1.08%
2013 -2% 1.12%
2012 -0.58% 1.17%
2011 -0.64% 1.18%
2010 -0.66% 1.25%
2009 -0.64% 1.35%
2008 -0.7% 1.37%
2007 -0.73% 1.36%
2006 -0.76% 1.41%
2005 -0.75% 1.46%
2004 -0.75% 1.48%
2003 -0.79% 1.55%
2002 -2.15% 1.67%
2001 -1.97% 1.81%
2000 -0.49% 1.96%
1999 -0.56% 2.1%
1998 -0.67% 2.19%
1997 -0.61% 2.29%
1996 -0.51% 2.37%
1995 -0.44% 2.44%
1994 -0.34% 2.49%
1993 -0.79% 2.53%
1992 -1.07% 2.56%
1991 -0.99% 2.58%
1990 -1.79% 2.56%
1989 -1.16% 2.55%
1988 0.11% 2.61%
1987 0.15% 2.68%
1986 -0.03% 2.75%
1985 -0.001% 2.79%
1984 0.23% 2.79%
1983 0.25% 2.79%
1982 0.3% 2.77%
1981 0.33% 2.76%
1980 0.4% 2.76%
1979 0.14% 2.74%
1978 0.11% 2.7%
1977 0.52% 2.67%
1976 0.43% 2.63%
1975 0.48% 2.6%
1974 0.67% 2.58%
1973 0.52% 2.58%
1972 0.47% 2.63%
1971 0.55% 2.7%
1970 0.66% 2.78%
1969 0.77% 2.85%
1968 0.71% 2.97%
1967 0.63% 3.14%
1966 0.66% 3.27%
1965 0.73% 3.41%
1964 0.82% 3.53%
1963 0.81% 3.65%
1962 0.88% 3.74%
1961 0.96% 3.8%

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/bulgaria/costa-rica | CC BY

In 2025, the population of Bulgaria declined by 0.13%, while Costa Rica's population grew by 0.45%.

Live population counters

Bulgaria Costa Rica
Current population
6390149
5186356
Population rank 112/197 126/197
Percent of world population 0.08% 0.06%
One net population change
1.08 hours
22.9 minutes
One birth every
9.83 minutes
10.3 minutes
One death every
5.23 minutes
18.4 minutes
Daily growth/decline -22 +63
Annual growth/decline -8,119 +23,040
Annual growth/decline rate -0.13% +0.45%
Population growth rate rank 168/197 134/197
One migration net change every
2.97 hours
8.78 hours
Annual migration change -2,961 +1,000
Net migration rank 106/196 63/196
Foreign-born residents 299,100 628,404
Foreign-born residents rank 98/195 75/195
Foreign-born share of population 4.4% 12.2%
Foreign-born share rank 99/195 55/195

Natural population change vs migration

Bulgaria
Natural

Migration
Costa Rica
Natural

Migration
1x
Year Population change
Bulgaria Costa Rica
Natural Migration Natural Migration
2025 - -2,961 - 1,000
2024 -47,023 524 22,699 967
2023 -43,837 5,173 24,109 995
2022 -62,065 26,498 21,409 1,006
2021 -90,452 11,756 20,119 1,018
2020 -65,507 30,167 29,164 1,029
2019 -46,317 -2,156 37,682 1,653
2018 -46,304 -3,873 42,469 1,673
2017 -45,583 -6,109 43,471 1,671
2016 -42,744 -9,482 45,565 1,649
2015 -44,699 -4,227 49,077 1,617
2014 -41,027 -2,180 49,559 1,589
2013 -37,948 -1,324 49,227 1,579
2012 -40,183 -26,334 52,036 1,587
2011 -37,477 -23,360 52,884 1,695
2010 -34,759 -21,668 50,803 2,357
2009 -26,800 -19,060 55,757 3,432
2008 -32,967 -17,595 56,491 3,794
2007 -37,727 -16,366 55,244 4,080
2006 -39,526 -15,184 54,177 4,321
2005 -42,124 -14,435 57,139 4,567
2004 -40,128 -13,604 55,769 4,856
2003 -44,319 -13,183 56,743 5,216
2002 -46,240 -12,735 58,388 5,812
2001 -44,050 -30,726 62,199 7,119
2000 -41,668 -26,211 64,268 8,826
1999 -39,411 -23,846 64,922 13,253
1998 -52,844 -23,262 64,788 15,556
1997 -58,185 -22,963 64,954 16,954
1996 -45,159 -21,520 66,094 17,393
1995 -42,030 -22,020 67,585 16,609
1994 -32,086 -20,984 68,336 15,587
1993 -24,569 -19,973 69,016 14,431
1992 -18,789 -120,552 69,830 13,069
1991 -14,675 -119,356 70,506 10,757
1990 -3,487 -116,817 71,727 7,949
1989 5,326 -114,705 72,327 3,758
1988 9,879 215 72,944 2,414
1987 8,971 357 73,188 2,267
1986 16,125 1,104 73,211 2,302
1985 11,649 -19,230 72,776 2,357
1984 20,610 -1,032 71,062 2,402
1983 21,455 -1,872 68,972 2,449
1982 24,077 -1,860 66,826 2,453
1981 29,341 -1,830 64,632 2,431
1980 30,129 -2,045 62,561 2,387
1979 40,599 -872 60,984 2,349
1978 44,070 -62,769 58,327 2,296
1977 47,543 -11,955 56,122 2,228
1976 56,055 -2,522 54,019 2,129
1975 54,941 -38,071 51,979 1,992
1974 64,223 -1,402 50,349 1,839
1973 57,760 -5,409 48,943 1,468
1972 47,169 -11,296 48,417 1,366
1971 52,925 -7,654 48,341 1,296
1970 61,125 -11,315 48,398 1,137
1969 63,256 -3,204 48,790 1,017
1968 69,468 -132 48,361 939
1967 49,861 -420 50,193 926
1966 54,504 -144 50,755 930
1965 58,249 -1,406 51,196 932
1964 66,783 505 51,435 934
1963 66,241 500 51,403 938
1962 64,104 499 51,046 934
1961 75,460 378 50,149 924
1960 76,314 -1,112 48,857 910

Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08).

GeoRank.org/population/bulgaria/costa-rica | CC BY

Over the last 10 years, 91.7% of the population change in Bulgaria is from natural causes (a loss of 534,531 people) and 8.28% is from migration (a gain of 48,271 people). In Costa Rica 96.2% is from natural causes (a gain of 335,764 people) and 3.8% is from migration (a gain of 13,278 people).

As of 2024, 299,100 residents or 4.4% of the population were not native-born in Bulgaria, compared to 628,404 people or 12.2% in Costa Rica.

Biggest cities by population

Bulgaria
City Population
Sofia 1.21M
Plovdiv 334K
Varna 323K
Burgas 189K
Stara Zagora 121K
Ruse 120K
Pleven 88.1K
Sliven 77.8K
Dobrich 68.6K
Shumen 66.4K
Costa Rica
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

Compare countries by 7 more topics

Population map with other countries

1x

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/bulgaria/costa-rica | CC BY

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Data sources:

  1. World Bank | Health (1960–2025, retrieved 2026-07-08)
  2. United Nations | World Population Prospects (1960–2100, retrieved 2026-07-08)
  3. U.S. Census Bureau (1960–2025, retrieved 2026-07-08)
  4. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08)
  5. Wikidata (2026, retrieved 2026-07-08)

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