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Population in Bulgaria compared to the Solomon Islands: Trends, Charts, Rankings

Updated on by Georank

The latest officially reported population of Bulgaria was 6,433,302 in 2025 vs 838,645 people in the Solomon Islands in 2025. In 2026, based on the adjusted UN estimation, the current Bulgaria's population is 6,390,149 people compared to 868,694 in the Solomon Islands.

Population statistics:

  • Bulgaria's population is 7.36 times bigger than the Solomon Islands'.
  • Bulgaria is ranked the 112th most populous country in the world, while the Solomon Islands is the 161st.
  • The countries together account for 0.09% of the world: 0.08% for Bulgaria vs 0.01% for the Solomon Islands.
  • For the last 10 years, Bulgaria has had an average growth rate of -0.86% per year vs +2.83% in the Solomon Islands.
  • Since 2006, the population of Bulgaria has decreased from 7.6M people to 6.39M (15.9% decline), while the Solomon Islands has grown from 492K to 869K (76.7% growth).

Bulgaria vs Solomon Islands: population by year and forecast

Bulgaria
Factual

Projection
Solomon Islands
Factual

Projection
1x
Year Population
Bulgaria Solomon Islands
2100 3,384,288 1,869,132
2099 3,408,821 1,865,051
2098 3,433,149 1,860,822
2097 3,457,549 1,856,197
2096 3,482,057 1,851,361
2095 3,506,060 1,846,006
2094 3,530,278 1,840,576
2093 3,554,432 1,834,659
2092 3,578,667 1,828,323
2091 3,602,907 1,821,781
2090 3,627,300 1,814,933
2089 3,652,188 1,807,885
2088 3,677,416 1,800,523
2087 3,703,460 1,792,919
2086 3,730,284 1,784,993
2085 3,757,953 1,776,798
2084 3,786,496 1,768,230
2083 3,815,548 1,759,388
2082 3,845,662 1,750,221
2081 3,876,344 1,740,741
2080 3,908,874 1,730,900
2079 3,942,344 1,720,938
2078 3,976,345 1,710,578
2077 4,011,440 1,699,838
2076 4,047,182 1,688,671
2075 4,083,977 1,677,384
2074 4,122,447 1,665,984
2073 4,161,511 1,654,063
2072 4,201,158 1,641,845
2071 4,241,639 1,629,270
2070 4,283,145 1,616,540
2069 4,325,083 1,603,485
2068 4,367,606 1,590,112
2067 4,411,116 1,576,525
2066 4,455,358 1,562,815
2065 4,500,141 1,548,873
2064 4,545,243 1,534,676
2063 4,590,439 1,520,167
2062 4,635,634 1,505,610
2061 4,681,315 1,490,754
2060 4,727,089 1,475,849
2059 4,772,667 1,460,639
2058 4,817,532 1,445,210
2057 4,862,597 1,429,794
2056 4,907,646 1,414,149
2055 4,953,105 1,398,271
2054 4,998,650 1,382,259
2053 5,044,397 1,366,025
2052 5,089,817 1,349,539
2051 5,135,505 1,332,975
2050 5,181,635 1,316,163
2049 5,228,058 1,299,210
2048 5,274,692 1,282,103
2047 5,322,212 1,264,854
2046 5,369,645 1,247,457
2045 5,417,381 1,229,853
2044 5,465,818 1,212,131
2043 5,514,902 1,194,206
2042 5,564,573 1,176,128
2041 5,615,489 1,158,032
2040 5,667,076 1,139,694
2039 5,719,506 1,120,879
2038 5,771,452 1,101,654
2037 5,824,628 1,082,017
2036 5,877,980 1,062,068
2035 5,930,517 1,041,799
2034 5,983,205 1,021,368
2033 6,036,049 1,000,876
2032 6,088,107 980,211
2031 6,140,619 959,672
2030 6,193,318 939,186
2029 6,244,785 918,810
2028 6,294,981 898,552
2027 6,343,732 878,392
2026 6,390,149 858,453
2025 6,433,302 838,645
2024 6,441,421 819,198
2023 6,446,596 800,005
2022 6,465,097 781,066
2021 6,507,301 762,591
2020 6,550,696 744,498
2019 6,616,726 728,147
2018 6,710,798 709,101
2017 6,803,468 685,672
2016 6,894,139 662,379
2015 6,984,225 639,415
2014 7,073,572 616,908
2013 7,160,005 594,945
2012 7,305,888 573,606
2011 7,348,328 552,945
2010 7,395,599 532,968
2009 7,444,443 518,141
2008 7,492,561 508,790
2007 7,545,338 500,156
2006 7,601,022 491,594
2005 7,658,972 483,080
2004 7,716,860 474,611
2003 7,775,327 466,154
2002 7,837,161 457,671
2001 8,009,142 449,125
2000 8,170,172 440,469
1999 8,210,624 430,500
1998 8,256,786 419,071
1997 8,312,068 407,474
1996 8,362,826 396,009
1995 8,406,067 384,733
1994 8,443,591 373,675
1993 8,472,313 362,839
1992 8,540,164 352,205
1991 8,632,367 341,738
1990 8,718,289 331,435
1989 8,876,972 321,282
1988 8,981,446 311,265
1987 8,971,359 301,414
1986 8,958,171 291,842
1985 8,960,547 282,455
1984 8,960,679 273,163
1983 8,939,738 264,068
1982 8,917,457 255,200
1981 8,891,117 246,555
1980 8,861,535 238,135
1979 8,825,940 229,953
1978 8,814,032 222,029
1977 8,804,183 214,418
1976 8,758,599 207,194
1975 8,720,742 200,744
1974 8,678,745 195,041
1973 8,620,967 189,774
1972 8,576,200 184,994
1971 8,536,395 180,637
1970 8,489,574 176,579
1969 8,434,172 172,476
1968 8,369,603 168,282
1967 8,310,226 164,245
1966 8,258,057 160,393
1965 8,204,168 156,686
1964 8,144,340 153,085
1963 8,078,145 149,589
1962 8,012,946 146,201
1961 7,943,118 142,912
1960 7,867,374 139,688

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/solomon-islands | CC BY

From 2006 to 2016, the population of Bulgaria decreased by 706,883 people (a 9.3% decline), while the Solomon Islands gained 170,785 people (a 34.7% growth).

For the next 10 years, from 2016 to 2026, Bulgaria lost 503,990 people (a 7.31% decline), while the Solomon Islands' population increased by 206,315 people (a 31.1% growth).

Bulgaria was ranked 95th most populous country in 2006 and is 112th in 2026. The Solomon Islands was ranked 165th in 2006 and ranked 161st 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 the Solomon Islands will increase by 51.5% to 1,316,163 people and rank change from 161st to 156th.

The Solomon Islands is projected to reach its peak in 2100 at 1.87M 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
Solomon Islands
Factual

Projection
1x
Year Growth rate
Bulgaria Solomon Islands
2100 -0.72% 0.22%
2099 -0.71% 0.23%
2098 -0.71% 0.25%
2097 -0.7% 0.26%
2096 -0.68% 0.29%
2095 -0.69% 0.29%
2094 -0.68% 0.32%
2093 -0.68% 0.35%
2092 -0.67% 0.36%
2091 -0.67% 0.38%
2090 -0.68% 0.39%
2089 -0.69% 0.41%
2088 -0.7% 0.42%
2087 -0.72% 0.44%
2086 -0.74% 0.46%
2085 -0.75% 0.48%
2084 -0.76% 0.5%
2083 -0.78% 0.52%
2082 -0.79% 0.54%
2081 -0.83% 0.57%
2080 -0.85% 0.58%
2079 -0.86% 0.61%
2078 -0.87% 0.63%
2077 -0.88% 0.66%
2076 -0.9% 0.67%
2075 -0.93% 0.68%
2074 -0.94% 0.72%
2073 -0.94% 0.74%
2072 -0.95% 0.77%
2071 -0.97% 0.79%
2070 -0.97% 0.81%
2069 -0.97% 0.84%
2068 -0.99% 0.86%
2067 -0.99% 0.88%
2066 -1% 0.9%
2065 -0.99% 0.93%
2064 -0.98% 0.95%
2063 -0.97% 0.97%
2062 -0.98% 1%
2061 -0.97% 1.01%
2060 -0.95% 1.04%
2059 -0.93% 1.07%
2058 -0.93% 1.08%
2057 -0.92% 1.11%
2056 -0.92% 1.14%
2055 -0.91% 1.16%
2054 -0.91% 1.19%
2053 -0.89% 1.22%
2052 -0.89% 1.24%
2051 -0.89% 1.28%
2050 -0.89% 1.3%
2049 -0.88% 1.33%
2048 -0.89% 1.36%
2047 -0.88% 1.39%
2046 -0.88% 1.43%
2045 -0.89% 1.46%
2044 -0.89% 1.5%
2043 -0.89% 1.54%
2042 -0.91% 1.56%
2041 -0.91% 1.61%
2040 -0.92% 1.68%
2039 -0.9% 1.75%
2038 -0.91% 1.81%
2037 -0.91% 1.88%
2036 -0.89% 1.95%
2035 -0.88% 2%
2034 -0.88% 2.05%
2033 -0.86% 2.11%
2032 -0.86% 2.14%
2031 -0.85% 2.18%
2030 -0.82% 2.22%
2029 -0.8% 2.25%
2028 -0.77% 2.3%
2027 -0.73% 2.32%
2026 -0.67% 2.36%
2025 -0.13% 2.37%
2024 -0.08% 2.4%
2023 -0.29% 2.42%
2022 -0.65% 2.42%
2021 -0.66% 2.43%
2020 -1% 2.25%
2019 -1.4% 2.69%
2018 -1.36% 3.42%
2017 -1.32% 3.52%
2016 -1.29% 3.59%
2015 -1.26% 3.65%
2014 -1.21% 3.69%
2013 -2% 3.72%
2012 -0.58% 3.74%
2011 -0.64% 3.75%
2010 -0.66% 2.86%
2009 -0.64% 1.84%
2008 -0.7% 1.73%
2007 -0.73% 1.74%
2006 -0.76% 1.76%
2005 -0.75% 1.78%
2004 -0.75% 1.81%
2003 -0.79% 1.85%
2002 -2.15% 1.9%
2001 -1.97% 1.97%
2000 -0.49% 2.32%
1999 -0.56% 2.73%
1998 -0.67% 2.85%
1997 -0.61% 2.9%
1996 -0.51% 2.93%
1995 -0.44% 2.96%
1994 -0.34% 2.99%
1993 -0.79% 3.02%
1992 -1.07% 3.06%
1991 -0.99% 3.11%
1990 -1.79% 3.16%
1989 -1.16% 3.22%
1988 0.11% 3.27%
1987 0.15% 3.28%
1986 -0.03% 3.32%
1985 -0.001% 3.4%
1984 0.23% 3.44%
1983 0.25% 3.47%
1982 0.3% 3.51%
1981 0.33% 3.54%
1980 0.4% 3.56%
1979 0.14% 3.57%
1978 0.11% 3.55%
1977 0.52% 3.49%
1976 0.43% 3.21%
1975 0.48% 2.92%
1974 0.67% 2.78%
1973 0.52% 2.58%
1972 0.47% 2.41%
1971 0.55% 2.3%
1970 0.66% 2.38%
1969 0.77% 2.49%
1968 0.71% 2.46%
1967 0.63% 2.4%
1966 0.66% 2.37%
1965 0.73% 2.35%
1964 0.82% 2.34%
1963 0.81% 2.32%
1962 0.88% 2.3%
1961 0.96% 2.31%

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/solomon-islands | CC BY

In 2025, the population of Bulgaria declined by 0.13%, while the Solomon Islands' population grew by 2.37%.

Live population counters

Bulgaria Solomon Islands
Current population
6390149
868694
Population rank 112/197 161/197
Percent of world population 0.08% 0.01%
One net population change
1.08 hours
27.1 minutes
One birth every
9.83 minutes
24 minutes
One death every
5.23 minutes
2.1 hours
Daily growth/decline -22 +53
Annual growth/decline -8,119 +19,447
Annual growth/decline rate -0.13% +2.37%
Population growth rate rank 168/197 32/197
One migration net change every
2.97 hours
5.39 hours
Annual migration change -2,961 +1,631
Net migration rank 106/196 59/196
Foreign-born residents 299,100 2,469
Foreign-born residents rank 98/195 192/195
Foreign-born share of population 4.4% 0.3%
Foreign-born share rank 99/195 184/195

Natural population change vs migration

Bulgaria
Natural

Migration
Solomon Islands
Natural

Migration
1x
Year Population change
Bulgaria Solomon Islands
Natural Migration Natural Migration
2025 - -2,961 - 1,631
2024 -47,023 524 17,715 1,610
2023 -43,837 5,173 17,436 1,636
2022 -62,065 26,498 17,253 1,567
2021 -90,452 11,756 16,626 1,499
2020 -65,507 30,167 16,488 1,556
2019 -46,317 -2,156 16,649 -1,990
2018 -46,304 -3,873 16,790 6,653
2017 -45,583 -6,109 16,897 6,513
2016 -42,744 -9,482 17,027 6,146
2015 -44,699 -4,227 16,909 5,853
2014 -41,027 -2,180 16,652 5,598
2013 -37,948 -1,324 16,038 5,631
2012 -40,183 -26,334 15,585 5,420
2011 -37,477 -23,360 15,095 5,219
2010 -34,759 -21,668 14,604 5,040
2009 -26,800 -19,060 14,381 -4,360
2008 -32,967 -17,595 14,225 -5,538
2007 -37,727 -16,366 13,963 -5,383
2006 -39,526 -15,184 13,799 -5,262
2005 -42,124 -14,435 13,568 -5,082
2004 -40,128 -13,604 13,444 -4,985
2003 -44,319 -13,183 13,344 -4,881
2002 -46,240 -12,735 13,195 -4,691
2001 -44,050 -30,726 13,061 -4,474
2000 -41,668 -26,211 12,938 -4,219
1999 -39,411 -23,846 12,809 -1,588
1998 -52,844 -23,262 12,658 -1,019
1997 -58,185 -22,963 12,478 -931
1996 -45,159 -21,520 12,328 -947
1995 -42,030 -22,020 12,124 -952
1994 -32,086 -20,984 11,771 -828
1993 -24,569 -19,973 11,396 -665
1992 -18,789 -120,552 11,029 -482
1991 -14,675 -119,356 10,789 -410
1990 -3,487 -116,817 10,561 -335
1989 5,326 -114,705 10,354 -270
1988 9,879 215 10,142 -197
1987 8,971 357 9,943 -179
1986 16,125 1,104 9,656 -269
1985 11,649 -19,230 9,534 -150
1984 20,610 -1,032 9,299 -102
1983 21,455 -1,872 9,011 -30
1982 24,077 -1,860 8,720 40
1981 29,341 -1,830 8,436 99
1980 30,129 -2,045 8,156 151
1979 40,599 -872 7,874 188
1978 44,070 -62,769 7,598 174
1977 47,543 -11,955 7,290 159
1976 56,055 -2,522 7,058 -48
1975 54,941 -38,071 6,635 -760
1974 64,223 -1,402 6,612 -1,084
1973 57,760 -5,409 6,343 -1,329
1972 47,169 -11,296 6,074 -1,520
1971 52,925 -7,654 5,814 -1,646
1970 61,125 -11,315 5,575 -1,632
1969 63,256 -3,204 5,444 -1,187
1968 69,468 -132 5,285 -1,154
1967 49,861 -420 5,151 -1,213
1966 54,504 -144 5,028 -1,256
1965 58,249 -1,406 4,885 -1,237
1964 66,783 505 4,747 -1,200
1963 66,241 500 4,571 -1,129
1962 64,104 499 4,408 -1,073
1961 75,460 378 4,257 -1,016
1960 76,314 -1,112 4,119 -917

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

GeoRank.org/population/bulgaria/solomon-islands | 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 the Solomon Islands 84.5% is from natural causes (a gain of 169,790 people) and 15.5% is from migration (a gain of 31,043 people).

As of 2024, 299,100 residents or 4.4% of the population were not native-born in Bulgaria, compared to 2,469 people or 0.3% in the Solomon Islands.

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
Solomon Islands
City Population
Honiara 84.5K
Auki 6.81K

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/solomon-islands | 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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