Yemen, Rep.: GDP deflator (base year varies by country)

Key figures

What the numbers say

In 2018, Yemen, Rep.'s GDP deflator (base year varies by country) rose 14.9% on 2017 (from 4,430 to 5,088).

Across the 27 yearly changes before that (1991 to 2017), the average change was +15.8% and a typical year strayed about 13.5% from that (the standard deviation). This year's change was 0.1 standard deviations below 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 46.5% in 2015 and the biggest yearly fall was 8.7% in 2009. The numbers show how large and when, not why; for the cause, look at what happened in that country in those years.

From 2009 to 2018 the straight-line trend is upward, about 395.05 a year. A straight line explains 94% 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.

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 29 values

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

• Afghanistan — 117.29 (2024)
• Algeria — 402.1 (2025)
• Bahrain — 117.2 (2025)
• Djibouti — 116.41 (2025)
• Egypt, Arab Rep. — 208.5 (2025)
• Iran, Islamic Rep. — 342.89 (2025)
• Iraq — 159.49 (2025)
• Israel — 120.85 (2025)
• Jordan — 104.1 (2025)
• Kuwait — 114.96 (2025)

More financial sector data for Yemen, Rep.

• DEC alternative conversion factor (LCU per US$) — US$2,091 (2025)
• Official exchange rate (LCU per US$, period average) — US$1,355 (2023)
• GDP deflator, linked series (base year varies by country) — 5,088 (2018)
• Inflation, GDP deflator (annual % growth) — 14.85% (2018)
• Inflation, GDP deflator, linked series (annual % growth) — 14.85% (2018)
• Automated teller machines (ATMs) (per 100,000 adults) — 5.81 (2015)
• Commercial bank branches (per 100,000 adults) — 1.48 (2015)
• Depositors with commercial banks (per 1,000 adults) — 103.06 (2015)

Every indicator for Yemen, Rep. is on the Yemen, Rep. data page.

Reading data like this

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Questions people ask

What is Yemen, Rep.'s GDP deflator (base year varies by country)?

5,088 in 2018, according to the World Bank (World Development Indicators).

How has it changed since 1990?

It is up 4,988% from 100 in 1990 (15.07% a year on average, compounded). The highest value was 5,088 in 2018 and the lowest 100 in 1990.

Is the latest change in GDP deflator (base year varies by country) unusual for Yemen, Rep.?

In 2018, Yemen, Rep.'s GDP deflator (base year varies by country) rose 14.9% on 2017 (from 4,430 to 5,088). Across the 27 yearly changes before that (1991 to 2017), the average change was +15.8% and a typical year strayed about 13.5% from that (the standard deviation). This year's change was 0.1 standard deviations below 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.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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