Skip to content

Population in Bulgaria compared to Kiribati: Trends, Charts, Rankings

Updated on by Georank team

The latest officially reported population of Bulgaria was 6,441,421 in 2024 vs 134,518 people in Kiribati in 2024. In 2026, based on the adjusted UN estimation, the current Bulgaria's population is 6,359,449 people compared to 139,020 in Kiribati.

Population statistics:

  • Bulgaria's population is 45.7 times bigger than Kiribati's.
  • Bulgaria is ranked the 112th most populous country in the world, while Kiribati is the 180th.
  • The countries together account for 0.08% of the world: 0.08% for Bulgaria vs 0.002% for Kiribati.
  • For the last 10 years, Bulgaria has had an average growth rate of -0.96% per year vs +1.53% in Kiribati.
  • Since 2006, the population of Bulgaria has decreased from 7.6M people to 6.36M (16.3% decline), while Kiribati has grown from 100K to 139K (39% growth).

Bulgaria vs Kiribati: population by year and forecast

Bulgaria
Factual

Projection
Kiribati
Factual

Projection
1x
Year Population
Bulgaria Kiribati
2100 3,368,029 224,304
2099 3,392,444 224,298
2098 3,416,655 224,273
2097 3,440,938 224,218
2096 3,465,328 224,129
2095 3,489,216 224,011
2094 3,513,318 223,823
2093 3,537,356 223,610
2092 3,561,475 223,345
2091 3,585,597 222,990
2090 3,609,873 222,603
2089 3,634,642 222,236
2088 3,659,749 221,815
2087 3,685,668 221,342
2086 3,712,363 220,868
2085 3,739,898 220,356
2084 3,768,305 219,806
2083 3,797,217 219,225
2082 3,827,186 218,627
2081 3,857,721 218,023
2080 3,890,095 217,379
2079 3,923,403 216,698
2078 3,957,241 216,006
2077 3,992,168 215,335
2076 4,027,738 214,593
2075 4,064,356 213,814
2074 4,102,642 213,008
2073 4,141,518 212,192
2072 4,180,975 211,363
2071 4,221,261 210,474
2070 4,262,568 209,555
2069 4,304,304 208,630
2068 4,346,623 207,619
2067 4,389,924 206,540
2066 4,433,953 205,477
2065 4,478,521 204,345
2064 4,523,406 203,209
2063 4,568,385 202,011
2062 4,613,363 200,844
2061 4,658,825 199,618
2060 4,704,379 198,339
2059 4,749,738 196,959
2058 4,794,388 195,550
2057 4,839,236 194,095
2056 4,884,068 192,602
2055 4,929,309 191,105
2054 4,974,635 189,574
2053 5,020,162 188,051
2052 5,065,364 186,430
2051 5,110,833 184,824
2050 5,156,741 183,129
2049 5,202,941 181,377
2048 5,249,351 179,576
2047 5,296,642 177,832
2046 5,343,848 176,010
2045 5,391,354 174,194
2044 5,439,559 172,376
2043 5,488,407 170,499
2042 5,537,839 168,651
2041 5,588,510 166,820
2040 5,639,850 165,023
2039 5,692,028 163,172
2038 5,743,725 161,308
2037 5,796,645 159,426
2036 5,849,741 157,529
2035 5,902,025 155,656
2034 5,954,460 153,821
2033 6,007,050 151,958
2032 6,058,858 150,080
2031 6,111,118 148,164
2030 6,163,564 146,257
2029 6,214,784 144,338
2028 6,264,738 142,425
2027 6,313,255 140,456
2026 6,359,449 138,488
2025 6,402,394 136,514
2024 6,441,421 134,518
2023 6,446,596 132,530
2022 6,465,097 130,469
2021 6,507,301 128,377
2020 6,550,696 126,099
2019 6,616,726 123,921
2018 6,710,798 122,084
2017 6,803,468 120,275
2016 6,894,139 118,478
2015 6,984,225 116,815
2014 7,073,572 115,326
2013 7,160,005 113,838
2012 7,305,888 112,284
2011 7,348,328 110,647
2010 7,395,599 108,704
2009 7,444,443 106,467
2008 7,492,561 104,222
2007 7,545,338 102,068
2006 7,601,022 100,017
2005 7,658,972 98,035
2004 7,716,860 96,085
2003 7,775,327 94,175
2002 7,837,161 92,264
2001 8,009,142 90,335
2000 8,170,172 88,613
1999 8,210,624 87,126
1998 8,256,786 85,657
1997 8,312,068 84,147
1996 8,362,826 82,623
1995 8,406,067 81,234
1994 8,443,591 80,021
1993 8,472,313 78,841
1992 8,540,164 77,641
1991 8,632,367 76,367
1990 8,718,289 74,855
1989 8,876,972 73,147
1988 8,981,446 71,427
1987 8,971,359 69,733
1986 8,958,171 68,059
1985 8,960,547 66,496
1984 8,960,679 65,228
1983 8,939,738 64,169
1982 8,917,457 63,134
1981 8,891,117 62,121
1980 8,861,535 61,148
1979 8,825,940 60,172
1978 8,814,032 59,864
1977 8,804,183 60,267
1976 8,758,599 60,661
1975 8,720,742 60,987
1974 8,678,745 61,219
1973 8,620,967 60,824
1972 8,576,200 59,778
1971 8,536,395 58,652
1970 8,489,574 57,510
1969 8,434,172 56,360
1968 8,369,603 55,529
1967 8,310,226 54,996
1966 8,258,057 54,425
1965 8,204,168 53,439
1964 8,144,340 52,088
1963 8,078,145 50,791
1962 8,012,946 49,538
1961 7,943,118 48,323
1960 7,867,374 47,157

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/kiribati | CC BY

From 2006 to 2016, the population of Bulgaria decreased by 706,883 people (a 9.3% decline), while Kiribati gained 18,461 people (a 18.5% growth).

For the next 10 years, from 2016 to 2026, Bulgaria lost 534,690 people (a 7.76% decline), while Kiribati's population increased by 20,542 people (a 17.3% growth).

Bulgaria was ranked 95th most populous country in 2006 and is 112th in 2026. Kiribati was ranked 183rd in 2006 and ranked 180th 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 Kiribati will increase by 31.7% to 183,129 people and rank change from 180th to 178th.

Kiribati is projected to reach its peak in 2100 at 224K people, while Bulgaria's population already peaked in 1988 at 8.98M people and is projected to decrease to 3.37M people by 2100.

Population growth rate by year

Bulgaria
Factual

Projection
Kiribati
Factual

Projection
1x
Year Growth rate
Bulgaria Kiribati
2100 -0.72% 0.003%
2099 -0.71% 0.01%
2098 -0.71% 0.02%
2097 -0.7% 0.04%
2096 -0.68% 0.05%
2095 -0.69% 0.08%
2094 -0.68% 0.1%
2093 -0.68% 0.12%
2092 -0.67% 0.16%
2091 -0.67% 0.17%
2090 -0.68% 0.17%
2089 -0.69% 0.19%
2088 -0.7% 0.21%
2087 -0.72% 0.21%
2086 -0.74% 0.23%
2085 -0.75% 0.25%
2084 -0.76% 0.27%
2083 -0.78% 0.27%
2082 -0.79% 0.28%
2081 -0.83% 0.3%
2080 -0.85% 0.31%
2079 -0.86% 0.32%
2078 -0.87% 0.31%
2077 -0.88% 0.35%
2076 -0.9% 0.36%
2075 -0.93% 0.38%
2074 -0.94% 0.38%
2073 -0.94% 0.39%
2072 -0.95% 0.42%
2071 -0.97% 0.44%
2070 -0.97% 0.44%
2069 -0.97% 0.49%
2068 -0.99% 0.52%
2067 -0.99% 0.52%
2066 -1% 0.55%
2065 -0.99% 0.56%
2064 -0.98% 0.59%
2063 -0.97% 0.58%
2062 -0.98% 0.61%
2061 -0.97% 0.65%
2060 -0.95% 0.7%
2059 -0.93% 0.72%
2058 -0.93% 0.75%
2057 -0.92% 0.78%
2056 -0.92% 0.78%
2055 -0.91% 0.81%
2054 -0.91% 0.81%
2053 -0.89% 0.87%
2052 -0.89% 0.87%
2051 -0.89% 0.93%
2050 -0.89% 0.97%
2049 -0.88% 1%
2048 -0.89% 0.98%
2047 -0.88% 1.03%
2046 -0.88% 1.04%
2045 -0.89% 1.05%
2044 -0.89% 1.1%
2043 -0.89% 1.1%
2042 -0.91% 1.1%
2041 -0.91% 1.09%
2040 -0.92% 1.13%
2039 -0.9% 1.16%
2038 -0.91% 1.18%
2037 -0.91% 1.2%
2036 -0.89% 1.2%
2035 -0.88% 1.19%
2034 -0.88% 1.23%
2033 -0.86% 1.25%
2032 -0.86% 1.29%
2031 -0.85% 1.3%
2030 -0.82% 1.33%
2029 -0.8% 1.34%
2028 -0.77% 1.4%
2027 -0.73% 1.42%
2026 -0.67% 1.45%
2025 -0.61% 1.48%
2024 -0.08% 1.5%
2023 -0.29% 1.58%
2022 -0.65% 1.63%
2021 -0.66% 1.81%
2020 -1% 1.76%
2019 -1.4% 1.5%
2018 -1.36% 1.5%
2017 -1.32% 1.52%
2016 -1.29% 1.42%
2015 -1.26% 1.29%
2014 -1.21% 1.31%
2013 -2% 1.38%
2012 -0.58% 1.48%
2011 -0.64% 1.79%
2010 -0.66% 2.1%
2009 -0.64% 2.15%
2008 -0.7% 2.11%
2007 -0.73% 2.05%
2006 -0.76% 2.02%
2005 -0.75% 2.03%
2004 -0.75% 2.03%
2003 -0.79% 2.07%
2002 -2.15% 2.14%
2001 -1.97% 1.94%
2000 -0.49% 1.71%
1999 -0.56% 1.71%
1998 -0.67% 1.79%
1997 -0.61% 1.84%
1996 -0.51% 1.71%
1995 -0.44% 1.52%
1994 -0.34% 1.5%
1993 -0.79% 1.55%
1992 -1.07% 1.67%
1991 -0.99% 2.02%
1990 -1.79% 2.34%
1989 -1.16% 2.41%
1988 0.11% 2.43%
1987 0.15% 2.46%
1986 -0.03% 2.35%
1985 -0.001% 1.94%
1984 0.23% 1.65%
1983 0.25% 1.64%
1982 0.3% 1.63%
1981 0.33% 1.59%
1980 0.4% 1.62%
1979 0.14% 0.51%
1978 0.11% -0.67%
1977 0.52% -0.65%
1976 0.43% -0.53%
1975 0.48% -0.38%
1974 0.67% 0.65%
1973 0.52% 1.75%
1972 0.47% 1.92%
1971 0.55% 1.99%
1970 0.66% 2.04%
1969 0.77% 1.5%
1968 0.71% 0.97%
1967 0.63% 1.05%
1966 0.66% 1.85%
1965 0.73% 2.59%
1964 0.82% 2.55%
1963 0.81% 2.53%
1962 0.88% 2.51%
1961 0.96% 2.47%

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/kiribati | CC BY

In 2024, the population of Bulgaria declined by 0.08%, while Kiribati's population grew by 1.5%.

Live population counters

Bulgaria Kiribati
Current population
6359449
139020
Population rank 112/197 180/197
Percent of world population 0.08% 0.002%
One net population change
1.69 hours
4.41 hours
One birth every
9.16 minutes
2.56 hours
One death every
5.19 minutes
9.39 hours
Daily growth/decline -14 +5
Annual growth/decline -5,175 +1,988
Annual growth/decline rate -0.08% +1.5%
Population growth rate rank 171/197 72/197
One migration net change every
2.97 hours
19 hours
Annual migration change -2,961 -462
Net migration rank 106/196 88/196
Foreign-born residents 299,100 3,302
Foreign-born residents rank 98/195 190/195
Foreign-born share of population 4.4% 2.5%
Foreign-born share rank 99/195 128/195

Natural population change vs migration

Bulgaria
Natural

Migration
Kiribati
Natural

Migration
1x
Year Population change
Bulgaria Kiribati
Natural Migration Natural Migration
2025 - -2,961 - -462
2024 - 524 - -471
2023 -43,837 5,173 2,487 -485
2022 -62,065 26,498 2,522 -395
2021 -90,452 11,756 2,408 -348
2020 -65,507 30,167 2,497 0
2019 -46,317 -2,156 2,560 -705
2018 -46,304 -3,873 2,561 -741
2017 -45,583 -6,109 2,549 -750
2016 -42,744 -9,482 2,546 -756
2015 -44,699 -4,227 2,555 -1,022
2014 -41,027 -2,180 2,577 -1,128
2013 -37,948 -1,324 2,629 -1,101
2012 -40,183 -26,334 2,678 -1,093
2011 -37,477 -23,360 2,709 -1,019
2010 -34,759 -21,668 2,644 -456
2009 -26,800 -19,060 2,573 -289
2008 -32,967 -17,595 2,493 -289
2007 -37,727 -16,366 2,393 -290
2006 -39,526 -15,184 2,285 -290
2005 -42,124 -14,435 2,188 -226
2004 -40,128 -13,604 2,118 -181
2003 -44,319 -13,183 2,045 -157
2002 -46,240 -12,735 2,074 -137
2001 -44,050 -30,726 2,121 -201
2000 -41,668 -26,211 2,153 -629
1999 -39,411 -23,846 2,186 -733
1998 -52,844 -23,262 2,210 -716
1997 -58,185 -22,963 2,220 -693
1996 -45,159 -21,520 2,217 -701
1995 -42,030 -22,020 2,183 -928
1994 -32,086 -20,984 2,168 -996
1993 -24,569 -19,973 2,161 -975
1992 -18,789 -120,552 2,173 -951
1991 -14,675 -119,356 2,176 -844
1990 -3,487 -116,817 2,127 -441
1989 5,326 -114,705 2,073 -338
1988 9,879 215 2,022 -321
1987 8,971 357 1,982 -298
1986 16,125 1,104 1,933 -273
1985 11,649 -19,230 1,881 -419
1984 20,610 -1,032 1,813 -730
1983 21,455 -1,872 1,748 -702
1982 24,077 -1,860 1,697 -674
1981 29,341 -1,830 1,635 -645
1980 30,129 -2,045 1,571 -610
1979 40,599 -872 1,509 -516
1978 44,070 -62,769 1,480 -1,858
1977 47,543 -11,955 1,426 -1,854
1976 56,055 -2,522 1,425 -1,795
1975 54,941 -38,071 1,423 -1,706
1974 64,223 -1,402 1,430 -1,605
1973 57,760 -5,409 1,409 -440
1972 47,169 -11,296 1,406 -290
1971 52,925 -7,654 1,406 -265
1970 61,125 -11,315 1,388 -233
1969 63,256 -3,204 1,367 -222
1968 69,468 -132 1,393 -876
1967 49,861 -420 1,417 -873
1966 54,504 -144 1,437 -840
1965 58,249 -1,406 1,376 0
1964 66,783 505 1,318 0
1963 66,241 500 1,273 0
1962 64,104 499 1,233 0
1961 75,460 378 1,199 0
1960 76,314 -1,112 1,141 0

Data sources: World Bank | Health (1960–2025, retrieved 2026-04-06).

GeoRank.org/population/bulgaria/kiribati | 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 Kiribati 80% is from natural causes (a gain of 25,262 people) and 20% is from migration (a loss of 6,330 people).

As of 2024, 299,100 residents or 4.4% of the population were not native-born in Bulgaria, compared to 3,302 people or 2.5% in Kiribati.

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
Kiribati
City Population
South Tarawa 63.4K
London 1.9K

Compare countries by 7 more topics

Population map with other countries

1x

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/kiribati | CC BY

Help us show the world through your eyes

Share a photo of your city and help others discover what it looks like to live there. Your contribution makes our data come alive.

Data sources:

  1. World Bank | Health (1960–2025, retrieved 2026-04-06)
  2. United Nations | World Population Prospects (1960–2100, retrieved 2026-03-10)
  3. U.S. Census Bureau (1960–2025, retrieved 2026-02-08)
  4. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20)
  5. Wikidata (2026, retrieved 2026-02-08)

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.