Story perspectives

Dementia cases projected to double by 2050

By Drooid · Oct 14, 2026, 4:38 PM UTC · How we work

Summary

Story summary

UNSW researchers project global dementia cases will double by 2050, reaching 24.7 million.
Incidence was 10.6 cases per 1,000 person-years for women, versus 8.6 for men.
Low- and middle-income countries recorded 13.6 cases per 1,000 person-years, compared with 8.3 in high-income nations.
Fourteen modifiable risk factors account for nearly half of cases, prompting recommendations on education, activity, obesity, blood pressure, diabetes, cholesterol.

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Story summary

UNSW researchers project global dementia cases will double by 2050, reaching 24.7 million.
Incidence was 10.6 cases per 1,000 person-years for women, versus 8.6 for men.
Low- and middle-income countries recorded 13.6 cases per 1,000 person-years, compared with 8.3 in high-income nations.
Fourteen modifiable risk factors account for nearly half of cases, prompting recommendations on education, activity, obesity, blood pressure, diabetes, cholesterol.