American Samoa: GDP deflator (base year varies by country)

Key figures

What the numbers say

In 2022, American Samoa's GDP deflator (base year varies by country) rose 14.2% on 2021 (from 118.3 to 135.04).

Across the 19 yearly changes before that (2003 to 2021), the average change was +3.1% and a typical year strayed about 8.4% from that (the standard deviation). This year's change was 1.3 standard deviations above that average, so it was larger than a typical year, though not out of the range seen before.

On record, the biggest yearly rise was 25.8% in 2009 and the biggest yearly fall was 15.4% 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 2.86 a year. A straight line explains 65% 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.

Closest to American Samoa in the 2022 ranking

• Syrian Arab Republic — 1st of 5: 12,692
• Northern Mariana Islands — 3rd of 5: 134.81
• Guam — 4th of 5: 127.49
• Virgin Islands (US) — 5th of 5: 117.12

What this measures

The GDP implicit deflator is the ratio of GDP in current local currency to GDP in constant local currency. The base year varies by country. This indicator is expressed as a ratio (a÷b).

All 21 values

GDP deflator (base year varies by country) in nearby economies

• Australia — 102.31 (2025)
• Brunei Darussalam — 99.24 (2025)
• Cambodia — 128.49 (2025)
• China — 104.18 (2025)
• Fiji — 113.15 (2025)
• French Polynesia — 121.97 (2024)
• Guam — 127.49 (2022)
• Hong Kong SAR, China — 105.23 (2025)
• Indonesia — 175.41 (2025)
• Japan — 112.27 (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, linked series (base year varies by country) — 135.04 (2022)
• Inflation, GDP deflator (annual % growth) — 14.15% (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

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Questions people ask

What is American Samoa's GDP deflator (base year varies by country)?

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

How has it changed since 2002?

It is up 91.22% from 70.62 in 2002 (3.29% a year on average, compounded). The highest value was 135.04 in 2022 and the lowest 68.31 in 2005.

Is the latest change in GDP deflator (base year varies by country) unusual for American Samoa?

In 2022, American Samoa's GDP deflator (base year varies by country) rose 14.2% on 2021 (from 118.3 to 135.04). Across the 19 yearly changes before that (2003 to 2021), the average change was +3.1% and a typical year strayed about 8.4% from that (the standard deviation). This year's change was 1.3 standard deviations above that average, so it was larger than a typical year, though not out of the range seen before.

Where does this data come from?

Source

World Bank, World Development Indicators, indicator NY.GDP.DEFL.ZS, licensed CC BY 4.0. Original source: Country official statistics, National Statistical Organizations and/or Central Banks; National Accounts data files, Organisation for Economic Co-operation and Development (OECD); 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.

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