How many years of comparable data are there for Iran, Islamic Republic of and Portugal?

54 years are reported by both, from 1970 to 2023.

Where does this data come from?

Civil Aviation Statistics of the World, International Civil Aviation Organization (ICAO), published as Air transport, passengers carried. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Iran, Islamic Republic of vs Portugal: Air transport, passengers carried

Iran, Islamic Republic of

18.07 million

in 2023

Portugal

18.29 million

in 2023

Iran, Islamic Republic of rank

38th

Portugal rank

37th

Air transport, passengers carried over time

Iran, Islamic Republic of
Portugal

How they compare

Portugal currently reports 18.29 million against 18.07 million in Iran, Islamic Republic of, a difference of 221,600.

The two have swapped places 8 times across 54 shared years of data; in 1970 it was Portugal ahead.

Iran, Islamic Republic of ranks 38th and Portugal ranks 37th of 183 countries.

Across the 6 decades both report, Iran, Islamic Republic of averaged higher in 5 and Portugal in 1.

Head to head by decade

Decade	Iran, Islamic Republic of	Portugal	Difference	Ahead
1970s	1.78 million	1.90 million	113,130	Portugal
1980s	3.53 million	2.47 million	1.06 million	Iran, Islamic Republic of
1990s	6.84 million	5.00 million	1.84 million	Iran, Islamic Republic of
2000s	12.86 million	8.78 million	4.08 million	Iran, Islamic Republic of
2010s	19.15 million	13.84 million	5.30 million	Iran, Islamic Republic of
2020s	15.81 million	12.06 million	3.75 million	Iran, Islamic Republic of

Averages of every year both report within each decade.

Frequently asked questions

Which has higher air transport, passengers carried, Iran, Islamic Republic of or Portugal?: Portugal, at 18.29 million against 18.07 million in Iran, Islamic Republic of as of 2023.
What is the difference in air transport, passengers carried between Iran, Islamic Republic of and Portugal?: 221,600, with Portugal ahead.
How many years of comparable data are there for Iran, Islamic Republic of and Portugal?: 54 years are reported by both, from 1970 to 2023.
How do Iran, Islamic Republic of and Portugal rank globally for air transport, passengers carried?: Iran, Islamic Republic of ranks 38th and Portugal ranks 37th of 183 countries.
Where does this data come from?: Civil Aviation Statistics of the World, International Civil Aviation Organization (ICAO), published as Air transport, passengers carried. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Iran, Islamic Republic of vs Portugal: Air transport, passengers carried. Statizoid, drawing on Civil Aviation Statistics of the World, International Civil Aviation Organization (ICAO). Retrieved 23 August 2026, from https://infrastructure.statizoid.com/compare/air-transport-passengers-carried/iran-islamic-rep/portugal/

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About this data

Indicator: Air transport, passengers carried
Source: Civil Aviation Statistics of the World, International Civil Aviation Organization (ICAO)
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 230 places, 10,242 data points, 1970–2023
Last refreshed: 20 August 2026

Air carrier data per country refers to passengers carried by airlines registered in that country regardless of the origin or destination of the passengers.