People with interstitial lung disease and pulmonary sarcoidosis worldwide, 2021 (GBD category)

4306627.72

people (prevalent cases), worldwide

“Globally, the number of prevalent cases rose by 128% from 1990 to 2021, from 1887445.26 (95% UI, 1,609,368.79 to 2,206,969.22) to 4306627.72 (95% UI, 3,802,950.84 to 4,898,714.45).”

Zhang et al., Global, regional and national burden of interstitial lung disease and pulmonary sarcoidosis, 1990-2021 and projection to 2040, Front Med 2025, 2025-10-27

Kind of source

Peer-reviewed study

Read on

2026-11-06

Daily check

Quote found at the source on 2026-11-06

What to know

GBD's combined category: IPF and other interstitial lung diseases plus pulmonary sarcoidosis, so an upper bound for pulmonary fibrosis. Tagged pulmonary-fibrosis only.

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Pulmonary fibrosis