Table 1: Worldwide estimate for the absolute number of cases of dementia according to the Delphi Consensus Study.

Absolute number of
people over 60 years
old who have dementia

Western Europe4.96.99.9
Eastern Europe low adult mortality1.01.62.8
Eastern Europe high adult mortality1.82.33.2
North America3.45.19.2
Latin America1.84.19.1
North Africa and Middle Eastern Crescent1.01.94.7
Developed Western Pacific1.52.94.3
China and the developing Western Pacific6.011.726.1
Indonesia, Thailand, and Sri Lanka0.61.32.7
India and South Asia1.83.67.5


Created from raw data provided by Ferri et al., 2005 [4, Page 2115].