buys in the United States, at purchasing power parity
And $100 in the United States buys what $75.47 buys in Tonga. Prices across Tonga's economy average 75% of the United States', so a dollar goes 33% further in Tonga.
World Bank figures for 2025 unless another year is shown
Measure
Tonga
United States
Economy
Population
103,742
341.8 million
GDPUS dollars, market exchange rates
$679 million
$30.8 trillion
GDP per personUS dollars
$6,547
$90,027
GDP per person at PPPInternational dollars
$8,675
$90,027
Prices
Price levelUS prices = 100%
75%
100%
A US dollar goes as far as
$1.33 in the US
$1.00 in the US
Income
Median income or consumptionPer person, international dollars
$11.00 a day2021 survey · $4,015 a year · consumption
$72.07 a day2024 survey · $26,306 a year · income
More figures: GDP at PPP, conversion factor and GNI▾
Gross national income is what residents earn, at home and abroad
Measure
Tonga
United States
GDP at PPPInternational dollars
$900 million
$30.8 trillion
PPP conversion factorLocal currency per international dollar
1.808Tongan pa'anga
1.000U.S. dollar
GNI per person, Atlas methodUS dollars
$6,840
$88,810
GNI per person at PPPInternational dollars
$9,240
$89,490
World Bank income groups: Tonga, upper middle income; United States, high income.
GDP per person at PPP· 2000 to 2025, in constant 2021 international dollarsAdjusted for inflation, so recent years read lower than the current-dollar figures above.