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Bulgaria vs Tonga statistics compared

Updated on by Georank team

Bulgaria has a population of 6.44M (ranked 110/197), compared with 104K in Tonga (ranked 183/197). Bulgaria's land area is 41,915 sq mi versus 278 sq mi for Tonga (ranked 101st vs. 176th).

By GDP, Bulgaria ranks 67/197 ($113B) and Tonga ranks 191/197 ($591M). By GDP per capita, Bulgaria ranks 64/197 ($17,596), while Tonga ranks 115/197 ($5,652).

Main facts and rankings

Bulgaria Tonga
Population
6359449
103309
Population rank 112/197 183/197
GDP
$113B
2024
$591M
2023
GDP rank 67/197 191/197
GDP per capita
$17,596
2024
$5,652
2023
GDP per capita rank 64/197 115/197
GDP per capita, PPP
$41,969
2024
$7,803
2023
Government debt
$27.3B
2024
$256M
2023
Debt-to-GDP ratio
24.1%
2024
37%
2024
Government debt per person
$4,237
2024
$2,445
2023
Government debt per person rank 90/185 111/185
Average annual personal income after taxes
$14,263
2026
$3,886
2026
Land area 41,915 sq mi 278 sq mi
Population density
151.7 ppl/mi²
2026
372 ppl/mi²
2026
Fertility rate
1.81
2023
3.13
2023
Median age
45.5 years
2024
21.9 years
2024
Life expectancy
76.1 years
2026
73.4 years
2026

Bulgaria and Tonga: Comparison Charts

Bulgaria and Tonga economies compared

GDP
Bulgaria

Tonga
1x
Year GDP
Bulgaria Tonga
2024 $113,343,355,780 -
2023 $102,199,231,385 $591,139,749
2022 $90,506,153,294 $556,514,555
2021 $84,374,613,233 $519,306,353
2020 $70,486,877,546 $506,571,468
2019 $68,507,731,354 $506,031,239
2018 $66,097,226,262 $493,530,783
2017 $59,167,647,388 $459,976,850
2016 $53,929,397,039 $420,828,262
2015 $50,765,918,159 $437,525,514
2014 $57,080,897,012 $440,997,738
2013 $55,819,262,375 $451,788,498
2012 $54,297,052,002 $471,122,971
2011 $57,681,293,007 $414,143,828
2010 $50,689,051,382 $366,887,375
2009 $52,023,801,230 $312,415,028
2008 $54,480,684,188 $344,438,844
2007 $44,431,257,129 $298,519,623
2006 $34,380,536,496 $292,232,703
2005 $29,868,657,858 $261,823,805
2004 $26,157,743,369 $230,678,011
2003 $21,144,957,990 $202,246,591
2002 $16,403,043,850 $182,764,281
2001 $14,183,446,026 $181,117,230
2000 $13,245,990,274 $204,848,488
1999 $13,637,098,579 $199,208,718
1998 $15,031,055,047 $191,504,893
1997 $11,316,127,379 $214,991,452
1996 $12,294,964,838 $222,100,576
1995 $18,991,484,420 $208,871,666
1994 $9,709,240,034 $195,990,986
1993 $10,832,064,942 $138,489,884
1992 $8,602,887,623 $137,066,291
1991 $7,628,738,475 $132,201,141
1990 $20,632,090,909 $113,563,822
1989 $21,988,444,444 $106,344,855
1988 $22,555,941,176 $106,657,267
1987 $28,101,000,000 $81,667,133
1986 $20,249,294,118 $68,195,856
1985 $17,155,421,053 $60,058,663
1984 $17,594,944,444 $64,248,355
1983 $16,563,666,667 $60,863,964
1982 $19,342,000,000 $62,068,161
1981 $19,870,000,000 $62,242,013
1980 $19,839,230,769 $53,260,077
1979 - $44,667,002
1978 - $41,567,472
1977 - $34,139,388
1976 - $30,036,417
1975 - $32,506,742

Data sources: World Bank | Economy & Growth (1975–2024, retrieved 2026-04-06).

GeoRank.org/facts/bulgaria/tonga | CC BY

Bulgaria and Tonga economies compared

GDP per capita
Bulgaria

Tonga
1x
Year GDP per capita
Bulgaria Tonga
2024 $17,596 -
2023 $15,853 $5,652
2022 $13,999 $5,298
2021 $12,966 $4,923
2020 $10,760 $4,792
2019 $10,354 $4,789
2018 $9,849 $4,675
2017 $8,697 $4,366
2016 $7,822 $3,988
2015 $7,269 $4,124
2014 $8,070 $4,137
2013 $7,796 $4,219
2012 $7,432 $4,384
2011 $7,850 $3,850
2010 $6,854 $3,416
2009 $6,988 $2,914
2008 $7,271 $3,218
2007 $5,889 $2,797
2006 $4,523 $2,750
2005 $3,900 $2,478
2004 $3,390 $2,195
2003 $2,719 $1,936
2002 $2,093 $1,759
2001 $1,771 $1,754
2000 $1,621 $1,995
1999 $1,661 $1,952
1998 $1,820 $1,889
1997 $1,361 $2,136
1996 $1,470 $2,215
1995 $2,259 $2,084
1994 $1,150 $1,957
1993 $1,279 $1,383
1992 $1,007 $1,370
1991 $884 $1,323
1990 $2,367 $1,139
1989 $2,477 $1,070
1988 $2,511 $1,078
1987 $3,132 $830
1986 $2,260 $696
1985 $1,915 $613
1984 $1,964 $656
1983 $1,853 $621
1982 $2,169 $633
1981 $2,235 $636
1980 $2,239 $545
1979 - $458
1978 - $428
1977 - $353
1976 - $315
1975 - $349

Data sources: World Bank | Economy & Growth (1975–2024, retrieved 2026-04-06).

GeoRank.org/facts/bulgaria/tonga | CC BY

Bulgaria vs. Tonga life expectancy calculator

Life expectancy
Bulgaria

Tonga
1x
Year Life expectancy, years
Bulgaria Tonga
2026 76.1 73.4
2025 76 73.2
2024 75.8 73.1
2023 75.6 72.9
2022 74 72.6
2021 71.4 72.1
2020 73.6 72.4
2019 75.1 72.3
2018 74.9 72.2
2017 74.8 72.1
2016 74.8 72
2015 74.6 71.9
2014 74.5 71.7
2013 74.8 71.6
2012 74.3 71.5
2011 74.2 71.4
2010 73.8 71.3
2009 73.7 70.9
2008 73.3 71
2007 73 70.9
2006 72.7 70.7
2005 72.6 70.6
2004 72.6 70.4
2003 72.4 70.2
2002 72.1 70
2001 71.9 69.8
2000 71.6 69.6
1999 71.6 69.4
1998 70.9 69.2
1997 70.3 69
1996 70.8 68.8
1995 71 68.6
1994 70.9 68.4
1993 71.2 68.2
1992 71.2 67.9
1991 71.2 67.7
1990 71.3 67.5
1989 71.5 67.4
1988 71.4 67.3
1987 71.3 67.2
1986 71.6 67.1
1985 71 66.9
1984 71.3 66.8
1983 71.2 66.7
1982 71.1 66.3
1981 71.5 66.4
1980 71.1 66.2
1979 71.2 66
1978 71.1 65.9
1977 70.8 65.6
1976 71.4 65.4
1975 71 65.1
1974 71.2 64.8
1973 71.3 64.4
1972 70.9 64.1
1971 70.9 63.6
1970 71.3 63.2
1969 70.5 62.7
1968 71.2 62.2
1967 70.4 61.7
1966 71.2 61.2
1965 71.3 60.7
1964 71.1 60.3
1963 70.3 59.8
1962 69.5 59.3
1961 70.2 58.8
1960 69.2 58.3
1959 66.6 57.8
1958 68.7 57.2
1957 66.6 56.5
1956 65.2 55.7
1955 64.8 54.7
1954 64.4 53.6
1953 64.2 52.4
1952 59.6 51.2
1951 60.7 49.8
1950 61.5 48.4

Data sources: United Nations | World Population Prospects (1950–2026, retrieved 2026-03-10).

GeoRank.org/facts/bulgaria/tonga | CC BY

Bulgaria and Tonga population clocks and comparison

Population
Bulgaria

Tonga
1x
Year Population
Bulgaria Tonga
2024 6,441,421 104,175
2023 6,446,596 104,597
2022 6,465,097 105,042
2021 6,507,301 105,490
2020 6,550,696 105,704
2019 6,616,726 105,669
2018 6,710,798 105,567
2017 6,803,468 105,356
2016 6,894,139 105,524
2015 6,984,225 106,095
2014 7,073,572 106,609
2013 7,160,005 107,078
2012 7,305,888 107,460
2011 7,348,328 107,570
2010 7,395,599 107,400
2009 7,444,443 107,203
2008 7,492,561 107,020
2007 7,545,338 106,726
2006 7,601,022 106,253
2005 7,658,972 105,671
2004 7,716,860 105,071
2003 7,775,327 104,464
2002 7,837,161 103,874
2001 8,009,142 103,288
2000 8,170,172 102,677
1999 8,210,624 102,046
1998 8,256,786 101,388
1997 8,312,068 100,674
1996 8,362,826 100,275
1995 8,406,067 100,225
1994 8,443,591 100,166
1993 8,472,313 100,103
1992 8,540,164 100,022
1991 8,632,367 99,895
1990 8,718,289 99,700
1989 8,876,972 99,403
1988 8,981,446 98,969
1987 8,971,359 98,376
1986 8,958,171 98,010
1985 8,960,547 97,984
1984 8,960,679 97,990
1983 8,939,738 97,998
1982 8,917,457 97,980
1981 8,891,117 97,909
1980 8,861,535 97,769
1979 8,825,940 97,544
1978 8,814,032 97,204
1977 8,804,183 96,725
1976 8,758,599 95,325
1975 8,720,742 93,017
1974 8,678,745 90,683
1973 8,620,967 88,805
1972 8,576,200 87,356
1971 8,536,395 85,896
1970 8,489,574 84,401
1969 8,434,172 82,885
1968 8,369,603 81,353
1967 8,310,226 79,814
1966 8,258,057 78,002
1965 8,204,168 75,924
1964 8,144,340 73,879
1963 8,078,145 71,885
1962 8,012,946 69,940
1961 7,943,118 68,037
1960 7,867,374 66,170

Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06).

GeoRank.org/facts/bulgaria/tonga | CC BY

Fertility rates in Bulgaria and Tonga

Fertility rate
Bulgaria

Tonga
1x
Year Fertility rate
Bulgaria Tonga
2023 1.81 3.13
2022 1.78 3.17
2021 1.8 3.2
2020 1.77 3.23
2019 1.79 3.27
2018 1.73 3.33
2017 1.71 3.39
2016 1.67 3.46
2015 1.64 3.54
2014 1.62 3.62
2013 1.54 3.7
2012 1.5 3.77
2011 1.51 3.83
2010 1.57 3.88
2009 1.66 3.95
2008 1.56 4.01
2007 1.49 4.09
2006 1.44 4.14
2005 1.37 4.2
2004 1.33 4.19
2003 1.26 4.18
2002 1.23 4.14
2001 1.21 4.13
2000 1.26 4.16
1999 1.23 4.23
1998 1.11 4.31
1997 1.09 4.38
1996 1.23 4.46
1995 1.23 4.56
1994 1.37 4.66
1993 1.46 4.73
1992 1.55 4.79
1991 1.66 4.85
1990 1.82 4.93
1989 1.9 5.01
1988 1.97 5.1
1987 1.96 5.19
1986 2.02 5.27
1985 1.97 5.34
1984 2.01 5.41
1983 2.01 5.45
1982 2.01 5.5
1981 2 5.55
1980 2.05 5.6
1979 2.16 5.65
1978 2.15 5.68
1977 2.21 5.7
1976 2.24 5.73
1975 2.23 5.75
1974 2.29 5.77
1973 2.15 5.8
1972 2.03 5.86
1971 2.1 5.96
1970 2.17 6.07
1969 2.27 6.17
1968 2.27 6.23
1967 2.02 6.29
1966 2.03 6.35
1965 2.09 6.41
1964 2.19 6.46
1963 2.21 6.52
1962 2.24 6.57
1961 2.29 6.61
1960 2.31 6.65

Data sources: World Bank | Health (1960–2023, retrieved 2026-04-06).

GeoRank.org/facts/bulgaria/tonga | CC BY

Bulgaria and Tonga demographics compared

Median age
Bulgaria

Tonga
1x
Year Median age, years
Bulgaria Tonga
2024 45.5 21.9
2023 45.3 21.9
2022 45.2 22
2021 45 22.1
2020 44.9 22.1
2019 44.6 22
2018 44.3 22
2017 44.1 21.9
2016 43.8 21.9
2015 43.6 21.8
2014 43.3 21.7
2013 43 21.6
2012 42.8 21.4
2011 42.5 21.2
2010 42.3 21.2
2009 42 21.1
2008 41.7 21
2007 41.5 20.9
2006 41.3 20.8
2005 41.1 20.8
2004 40.8 20.8
2003 40.6 20.8
2002 40.3 20.7
2001 40 20.5
2000 39.7 20.3
1999 39.4 20.1
1998 39.1 19.9
1997 38.9 19.7
1996 38.6 19.6
1995 38.3 19.6
1994 38 19.6
1993 37.7 19.6
1992 37.4 19.5
1991 37 19.3
1990 36.6 19.1
1989 36.2 18.9
1988 35.9 18.6
1987 35.8 18.3
1986 35.6 18.2
1985 35.3 18.1
1984 35 18
1983 34.8 17.9
1982 34.6 17.8
1981 34.4 17.6
1980 34.2 17.4
1979 34.1 17.3
1978 34 17.1
1977 33.9 16.8
1976 33.8 16.7
1975 33.7 16.7
1974 33.6 16.8
1973 33.6 16.8
1972 33.5 16.7
1971 33.3 16.7
1970 33.2 16.8
1969 33 16.8
1968 32.8 16.9
1967 32.6 17
1966 32.3 17
1965 32 17
1964 31.6 17
1963 31.3 17
1962 31 17.1
1961 30.7 17.1
1960 30.4 17.1

Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06).

GeoRank.org/facts/bulgaria/tonga | CC BY

Interactive Maps

Use the buttons below to switch between world maps comparing statistics for Bulgaria and Tonga.

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National statistics comparison

Finance

Bulgaria Tonga
GNI, Atlas method
$99B
2024
$619M
2023
Government expenditure, % of GDP
36.7%
2024
51.3%
2024
Education expenditure, % of GDP
4.5%
2022
5.15%
2023
Military expenditure, % of GDP
2.15%
2024
n/a
Armed forces personnel
37,000
2020
n/a
Deficit/surplus, % of GDP
-3.04%
2024
+4.17%
2024
Unemployment rate
4.17%
2024
1.65%
2023
Services, % of GDP
63.8%
2024
50%
2023
Industry, % of GDP
21.1%
2024
14.9%
2023
Economic freedom index
68.9
2026
58.9
2026
Income share by richest 10%
31.1%
2023
22%
2021
Income share by poorest 10%
2.1%
2023
4%
2021
Number of billionaires
2
2025
n/a
Percentage of billionaires
0.00004%
2025
n/a
Listed domestic companies
204
2024
n/a
Market capitalization of domestic companies
$8.41B
2024
n/a
Total reserves including gold
$43.7B
2024
$377M
2024
Personal remittances received
$2.64B
2024
$254M
2024
International tourist arrivals
4,973,000
2020
94,000
2019
International tourism as share of exports
4.49%
2020
50.3%
2020
Banked people share
84.7%
2024
n/a

Energy

Bulgaria Tonga
Energy use, kg of oil equivalent per capita
2,604 kg
2023
543 kg
2007
GDP PPP per kg equivalent of energy use
$14.9
2023
$7.94
2007
Carbon dioxide (CO2) emissions
34.2 megatons
2024
0.17 megatons
2024
CO2 emissions per capita
5.31 tons
2024
1.63 tons
2024
Fossil fuel energy use share
68.8%
2022
0%
2007
Renewable energy use share
20.4%
2021
2.3%
2022
Alternative and nuclear energy use share
29.8%
2023
n/a
Net energy imports use share
40.9%
2023
n/a
Electric power consumption per capita
5,361 kWh
2023
n/a
Renewable electricity output share
22.2%
2021
14.2%
2021
Hydroelectric share
7.78%
2023
0%
2021
Nuclear share
40.2%
2023
0%
2021
Electricity access
100%
2023
100%
2023

Society

Bulgaria Tonga
% of world population
0.08%
2024
0.001%
2024
Annual migration change
-2,961
2025
-2,150
2025
Urban population
73.9%
2024
21.2%
2024
Male:Female ratio
48.4:51.6
2024
47.2:52.8
2024
Average male height
5.72 ft
2025
5.74 ft
2025
Average female height
5.4 ft
2025
5.45 ft
2025
Quality of life index
69.5
2026
45.5
2026
Corruption Perceptions Index
40
2025
50
2025
Higher education index
69
2026
n/a
Homicides per 100K people
1.09
2023
0.95
2019
Road traffic mortality per 100K people
9.2
2019
33
2019
Visa free countries
170
2025
126
2025
Adult literacy rate
98.4%
2021
99.4%
2021
English speaking
24.9%
2023
30%
2023
People using the Internet
82.4%
2024
58.5%
2023

Health

Bulgaria Tonga
Government health expenditure per capita
$1,258
2023
$358
2023
Out-of-pocket health expenditure per capita
$447
2023
$21
2023
Life expectancy
76.1 years
2026
73.4 years
2026
Foreign aid share of health expenditure
0.52%
2023
44.2%
2023
Physicians per 1,000 people
4.33
2022
1.01
2021
Age at first childbirth
26.9 years
2023
24.9 years
2025
Maternal mortality per 100K births
6
2023
67
2023
Mortality rate before reaching 5 years of age
6.1
2023
9.9
2023
Obesity rate
21.2%
2022
72.4%
2022
Diabetes prevalence
7.4%
2024
19.6%
2024
Air quality index
60
2026
91
2026
Tobacco use prevalence
39.5%
2022
31.3%
2022
Pure alcohol consumption per capita
11.6 liters
2020
0.36 liters
2020

Territory

Bulgaria Tonga
% of world land
0.07%
2026
0.0005%
2026
Land area per capita
6,507 sq mi
2024
2,669 sq mi
2024
Agricultural land area
19,317 sq mi
2026
135.1 sq mi
2026
Forest area
15,182 sq mi
2026
34.6 sq mi
2026
Roads length
12,124 mi
2023
423 mi
2011

In-depth comparisons

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Data sources:

  1. World Bank | Health (1960–2025, retrieved 2026-04-06)
  2. United Nations | World Population Prospects (1950–2026, retrieved 2026-03-10)
  3. U.S. Census Bureau (1960–2025, retrieved 2026-02-08)
  4. Central Intelligence Agency (CIA) (2000–2025, retrieved 2026-02-20)
  5. International Monetary Fund (IMF) | Fiscal Monitor (2023–2024, retrieved 2026-02-20)
  6. LivingCost (2026, retrieved 2025-10-14)
  7. World Obesity Federation (2022, retrieved 2026-02-08)
  8. Passport Index (2025, retrieved 2026-02-08)
  9. The Heritage Foundation | Economic Freedom Index (2026, retrieved 2026-03-09)
  10. United Nations Economic Commission for Europe (UNECE) (2023, retrieved 2026-03-10)
  11. Transparency International (2025, retrieved 2026-02-10)
  12. EduRank (2026, retrieved 2025-10-13)

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