Bulgaria vs Iran: Human visits to space per year

Bulgaria

0 visits

in 2021

Iran

0 visits

in 2021

Bulgaria rank

5th

Iran rank

5th

Human visits to space per year over time

Bulgaria currently reports 0 visits against 0 visits in Iran, a difference of 0 visits.

The two have swapped places 4 times across 61 shared years of data; in 1961 it was Iran ahead.

Bulgaria ranks 5th and Iran ranks 5th of 39 countries.

Indicator: Human visits to space per year
Unit: visits
Source: CSIS Aerospace Security Project (2022) – with major processing by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 39 places, 2,379 data points, 1961–2021
Last refreshed: 07 August 2026