buys in the United States, at purchasing power parity
And $100 in the United States buys what $51.43 buys in Saint Lucia. Prices across Saint Lucia's economy average 51% of the United States', so a dollar goes 94% further in Saint Lucia.
World Bank figures for 2025 unless another year is shown
Measure
Saint Lucia
United States
Economy
Population
180,149
341.8 million
GDPUS dollars, market exchange rates
$2.66 billion
$30.8 trillion
GDP per personUS dollars
$14,746
$90,027
GDP per person at PPPInternational dollars
$28,674
$90,027
Prices
Price levelUS prices = 100%
51%
100%
A US dollar goes as far as
$1.94 in the US
$1.00 in the US
Income
Median income or consumptionPer person, international dollars
$16.99 a day2015 survey · $6,201 a year · income
$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
Saint Lucia
United States
GDP at PPPInternational dollars
$5.17 billion
$30.8 trillion
PPP conversion factorLocal currency per international dollar
1.389East Caribbean dollar
1.000U.S. dollar
GNI per person, Atlas methodUS dollars
$13,410
$88,810
GNI per person at PPPInternational dollars
$26,180
$89,490
World Bank income groups: Saint Lucia, 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.