age 15
girls-boys

age 13 
girls-boys

age 11
girls-boys

country group

30% plus at 15

Greenland *

63 - 52

41 - 29 

6 - 3

Nordic *

Austria *

36 - 30

8 - 10

1 - 2

West *

Germany  *

33 - 28

13 - 14

1 - 2

West *

England *

33 - 25

15 - 11

1 - 3

West *

France *

31 - 28

11 - 9 

1 - 2

West *

25 to 29%

Finland *

29 - 25

14 - 10

1 - 1

Nordic *

Wales *

29 - 22

18 - 8

2 - 2

West *

Hungary

28 - 36

6 - 12

1 - 2

Central + East

Belgium (Flem.)

28 - 28

8 - 10

0.4 - 2

West

Norway *

28 - 23

7 - 8

0.2 - 1

Nordic *

Scotland *

28 - 22

13 - 9

3 - 2

West *

Denmark *

28 - 20

8 - 6

1 - 1

Nordic *

Ireland

25 - 25

12 - 14

2 - 2

West

Switzerland *

25 - 25

8 - 6

1 - 1

West*

20 to 24%

Sweden *

24 - 18

5 - 4

0.5 - 1

Nordic *

Russian Fed.

22 - 24

7 - 13

0.5 - 2

Commonwealth of Indep. States

Poland

20 -27

4 - 8

1 - 3

Central + East

15 to 20%

Latvia

19 - 37

7 - 15

0.3 - 4

Baltic

Greece

19 - 18

5 - 5

1 - 1

South

Slovakia

18 - 28

3 - 7

0.4 - 2

Central + East

Czech Rep.

18 - 22

7 - 10

0.2 - 2

Central + East

Under 15%

Portugal

14 - 19

4 - 5

2 - 2

South

Israel

13 - 24

6 - 12

3 - 7

South

Estonia

12 - 24

2 - 7

1 - 1

Baltic

Lithuania

10 - 24

2 - 10

0.3 - 2

Baltic