Table 1.

Cognitive performance by country, age group and education (Mean scores)

	Observations	Fluency	Memory	Global assessment
Age group
50–54	4,760	21.1	9.8	0.11
55–59	4,843	20.6	9.3	0.08
60–64	4,360	19.8	8.8	0.04
65–69	3,845	18.7	8.1	−0.01
70–74	3,114	17.3	7.3	−0.09
75–79	2,234	16.3	6.7	−0.14
80–84	1,330	15.2	5.8	−0.22
85–99	666	13.6	4.8	−0.32
Years of education
0–2	1,491	13.0	5.2	−0.31
3–5	2,200	13.8	6.1	−0.23
6–9	7,309	17.4	7.5	−0.07
10–12	6,079	20.2	9.0	0.06
13–15	5,296	21.9	9.6	0.12
16+	2,777	22.2	10.2	0.15
Total	25,152	19.0	8.4	0.00

Note: Mean raw scores for memory and fluency tasks and mean index of global cognitive assessment are presented.