Observations

Q4 2025: 0.88674

Updated: Jan 15, 2026 2:36 PM CST

Units:

Index,

Not Seasonally Adjusted

Frequency:

Quarterly

Notes

Title	Release Dates

World Uncertainty Index for Islamic Republic of Iran	2019-10-22	2026-01-15

Source

Baker, Scott R.	2019-10-22	2020-04-29
Bloom, Nick	2019-10-22	2020-04-29
Davis, Steven J.	2019-10-22	2020-04-29
Ahir, Hites	2020-04-30	2026-01-15
Bloom, Nick	2020-04-30	2026-01-15
Furceri, Davide	2020-04-30	2026-01-15

Release

Economic Policy Uncertainty	2019-10-22	2020-04-29
World Uncertainty Index	2020-04-30	2026-01-15

Units

Index	2019-10-22	2026-01-15

Frequency

Quarterly	2019-10-22	2026-01-15

Seasonal Adjustment

Not Seasonally Adjusted	2019-10-22	2026-01-15

Notes

The World Uncertainty Index determines uncertainty using the frequency of the selfsame word in the quarterly Economist Intelligence Unit country reports. Please see Hites Ahir, Nicholas Bloom and Davide Furceri (2018), 'The World Uncertainty Index' (https://www.policyuncertainty.com/media/WUI_mimeo_10_29.pdf) for additional explanation.	2019-10-22	2026-01-15

Release Tables

World Uncertainty Index