American Samoa: Inflation, GDP deflator (annual % growth)

Key figures

What the numbers say

In 2022, American Samoa's inflation, GDP deflator (annual % growth) rose 9.31 percentage points on 2021 (from 4.84% to 14.15%).

Across the 18 yearly changes before that (2004 to 2021), the average change was +0.19 percentage points and a typical year strayed about 12.95 percentage points from that (the standard deviation). This year's change was 0.7 standard deviations above that average, so it was an ordinary year: it sits within the range of normal year-to-year movement.

On record, the biggest yearly rise was 17.89 percentage points in 2012 and the biggest yearly fall was 41.14 percentage points in 2010. The numbers show how large and when, not why; for the cause, look at what happened in that country in those years.

From 2013 to 2022 the straight-line trend is upward, about 1.08 percentage points a year. A straight line explains 51% of the movement over 10 observed years.

Worked out from the yearly values above. How the checks work: standard deviation, z-scores and straight-line trends.

How it compares

See how every economy compares in the full ranking.

Closest to American Samoa in the 2022 ranking

• Syrian Arab Republic — 1st of 5: 107.38%
• Guam — 3rd of 5: 5.47%
• Virgin Islands (US) — 4th of 5: 5.04%
• Northern Mariana Islands — 5th of 5: 2.8%

What this measures

Inflation as measured by the annual growth rate of the GDP implicit deflator shows the rate of price change in the economy as a whole. The GDP implicit deflator is the ratio of GDP in current local currency to GDP in constant local currency.

Regional and income-group figures are computed by the World Bank as a median.

All 20 values

Inflation, GDP deflator (annual % growth) in nearby economies

• Australia — 2.31% (2025)
• Brunei Darussalam — -4.74% (2025)
• Cambodia — 3.47% (2025)
• China — -0.92% (2025)
• Fiji — 2% (2025)
• French Polynesia — 1.85% (2024)
• Guam — 5.47% (2022)
• Hong Kong SAR, China — 1.02% (2025)
• Indonesia — 2.37% (2025)
• Japan — 3.42% (2025)

More financial sector data for American Samoa

• Official exchange rate (LCU per US$, period average) — US$1 (2025)
• DEC alternative conversion factor (LCU per US$) — US$1 (2024)
• GDP deflator (base year varies by country) — 135.04 (2022)
• GDP deflator, linked series (base year varies by country) — 135.04 (2022)
• Inflation, GDP deflator, linked series (annual % growth) — 14.15% (2022)

Every indicator for American Samoa is on the American Samoa data page.

Reading data like this

• Where to find free public data, and how to check it before you trust it — 2 min read
• Data analysis examples: 6 worked from one dataset — 3 min read
• Real change or random noise? A plain guide to reading your numbers — 2 min read

Questions people ask

What is American Samoa's inflation, GDP deflator (annual % growth)?

14.15% in 2022, according to the World Bank (World Development Indicators).

How has it changed since 2003?

It is up 12.79 percentage points from 1.37% in 2003. The highest value was 25.78% in 2009 and the lowest -15.36% in 2010.

Is the latest change in inflation, GDP deflator (annual % growth) unusual for American Samoa?

In 2022, American Samoa's inflation, GDP deflator (annual % growth) rose 9.31 percentage points on 2021 (from 4.84% to 14.15%). Across the 18 yearly changes before that (2004 to 2021), the average change was +0.19 percentage points and a typical year strayed about 12.95 percentage points from that (the standard deviation). This year's change was 0.7 standard deviations above that average, so it was an ordinary year: it sits within the range of normal year-to-year movement.

Where does this data come from?

Source

World Bank, World Development Indicators, indicator NY.GDP.DEFL.KD.ZG, licensed CC BY 4.0. Original source: Country official statistics, National Statistical Offices (NSOs); National Accounts data files, Central Banks; Staff estimates, World Bank (WB) Figures are fetched from the World Bank API and refreshed monthly; see the series on data.worldbank.org. The full definition and method are in the World Bank's metadata glossary. Comparisons use the same World Bank release.

Want to ask your own questions of data like this? Try AnalyzeIt: upload a file or ask about public data in plain words, and every figure comes with its working.