In 2006, a study estimated that there was a difference of 7 years of life expectancy at age 60 between people with and without dementia. The life expectancy of male and female with dementia at age 60 were 16 and 22 respectively (Yu et al., 2010).

Table 6.5. Life expectancy of general population and population with or without dementia by gender in 2006  (Yu et al., 2010).

	General population	Population without dementia	Population with dementia	Difference
	Life expectancies a age 60 (Years)
Male	22	23	16	7
Female	27	29	22	7

References:

Yu, R., Chau, P. H., McGhee, S. M., Cheung, W. L., Chan, K. C., Cheung, S. H., & Woo, J. (2010). Dementia Trends: Impact of the Ageing Population and Societal Implications for Hong Kong. In. Hong Kong: The Hong Kong Jockey Club Charities Trust.