People living with gastroesophageal reflux disease (GERD) worldwide, 2021

825.60 million

people (prevalent cases), worldwide

“The global prevalence of GERD increased from 450.76 million cases in 1990 to 825.60 million cases in 2021, with an age-standardized prevalence rate (ASPR) of 9838.60 per 100,000 population in 2021”

Chen et al., Global, regional and national burdens of gastroesophageal reflux disease from 1990 to 2021 and projections to 2050 (GBD 2021), BMC Public Health 2025, 2025-11-14

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 2021 modelled estimate for 2021, as GBD defines GERD (symptomatic reflux). The same paper projects more than 1.2 billion cases by 2050.

About

Acid reflux (GERD)