People with anaemia due to dietary iron deficiency worldwide, 2021

444 million ... 825 million

people (prevalent cases), worldwide

“The burden due to dietary iron deficiency anaemia was particularly large, comprising 66·2% (65·5–66·8) of total anaemia cases with 444 million (433–455) cases among males and 825 million (811–839) cases among females globally in 2021.”

GBD 2021 Anaemia Collaborators, Prevalence, years lived with disability, and trends in anaemia burden by severity and cause, 1990-2021, Lancet Haematol 2023, 2023-07-31

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

Dietary iron deficiency is GBD's cause for iron deficiency anaemia; it is 66.2% of the 1.92 billion people with anaemia of any cause.

Arithmetic

444 million males + 825 million females = 1,269 million people

About

Iron deficiency anaemia