Immigration Policy Volatility Index

11,731 recorded changes to immigration rules across 38 countries since 1975, each linked to the government document behind it.

Immigration policy changes per year1975–2026 · 11,731 recorded changes

Click a year to see where the rules changed

How the Arrow Index is built

What counts as a change, where the data comes from, how to cite it, how corrections work, and coverage by country.

Read the methodology

We built this index out of what Arrow already does every day: track immigration rule changes in these countries, and tell the people affected what each change means for them.

See how Arrow works

Data releaseAVI-2026-08 · 11,731 events · published Aug 2, 2026 · next release Sep 1, 2026

Methodologyv1.0 · methodology · changelog · corrections

LicenceCC BY 4.0 · · cite this release

Cite this release

Arrow Intelligence. (2026). Arrow Immigration Policy Volatility Index (Release AVI-2026-08) [Data set]. https://witharrow.ai/volatility-index

Quote the release number with any figure. It names the exact version of the data you used.