Iran, Islamic Rep.: GDP deflator, linked series (base year varies by country)

Key figures

What the numbers say

In 2025, Iran, Islamic Rep.'s GDP deflator, linked series (base year varies by country) rose 28.8% on 2024 (from 266.27 to 342.89).

Across the 30 yearly changes before that (1995 to 2024), the average change was +24% and a typical year strayed about 13.4% from that (the standard deviation). This year's change was 0.4 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 55.9% in 2021. The numbers show how large and when, not why; for the cause, look at what happened in that country in those years.

From 2016 to 2025 the straight-line trend is upward, about 35.16 a year. A straight line explains 89% 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

In 2025, Iran, Islamic Rep. had the 26th highest value of the 186 economies reporting that year. Higher is not always better: for some indicators the lowest value is the one to aim for. See the full ranking.

Closest to Iran, Islamic Rep. in the 2025 ranking

• Romania — 22nd of 186: 377.12
• Nicaragua — 23rd of 186: 367.43
• Madagascar — 24th of 186: 358.35
• Malawi — 26th of 186: 322.74
• Brazil — 27th of 186: 269.14
• Guinea — 28th of 186: 264.34

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 series has been linked to produce a consistent time series to counteract breaks in series over time due to changes in base years, source data and methodologies. Thus, it may not be comparable with other national accounts series in the database for historical years. This indicator is expressed as a ratio (a÷b).

All 36 values

GDP deflator, linked series (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)
• Iraq — 159.49 (2025)
• Israel — 120.85 (2025)
• Jordan — 104.1 (2025)
• Kuwait — 114.96 (2025)
• Lebanon

More financial sector data for Iran, Islamic Rep.

• Consumer price index (2010 = 100) — 4,030 (2025)
• Inflation, consumer prices (annual % growth) — 42.17% (2025)
• GDP deflator (base year varies by country) — 342.89 (2025)
• DEC alternative conversion factor (LCU per US$) — US$742,604 (2025)
• Inflation, GDP deflator (annual % growth) — 28.78% (2025)
• Official exchange rate (LCU per US$, period average) — US$42,000 (2023)
• Monetary sector credit to private sector (% of GDP) — 57.83% (2016)
• Domestic credit to private sector (% of GDP) — 57.83% (2016)
• Domestic credit to private sector by banks (% of GDP)

Reading data like this

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Questions people ask

What is Iran, Islamic Rep.'s GDP deflator, linked series (base year varies by country)?

342.89 in 2025, according to the World Bank (World Development Indicators).

How has it changed since 1990?

It is up 228,448% from 0.15 in 1990 (24.73% a year on average, compounded). The highest value was 342.89 in 2025 and the lowest 0.15 in 1990.

How does Iran, Islamic Rep. rank?

26th highest of 186 economies with data for 2025.

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

In 2025, Iran, Islamic Rep.'s GDP deflator, linked series (base year varies by country) rose 28.8% on 2024 (from 266.27 to 342.89). Across the 30 yearly changes before that (1995 to 2024), the average change was +24% and a typical year strayed about 13.4% from that (the standard deviation). This year's change was 0.4 standard deviations above that average, so it was an ordinary year: it sits within the range of normal year-to-year movement.

Source

World Bank, World Development Indicators, indicator NY.GDP.DEFL.ZS.AD, licensed CC BY 4.0. Original source: Staff estimates, World Bank (WB); National Accounts data files, Organisation for Economic Co-operation and Development (OECD); World Economic Outlook database, International Monetary Fund (IMF) 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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