1957, population by age group

< 1

208,475

3.3

1 - 4

1,015,332

16.0

5 - 9

963,782

15.2

10 - 14

654,334

10.3

15 - 19

499,924

7.9

20 - 24

395,678

6.2

25 - 29

448,469

7.1

30 - 34

401,404

6.3

35 - 39

299,762

4.7

40 - 44

316,191

5.0

45 - 49

223,691

3.5

50 - 54

236,553

3.7

55 - 59

201,998

3.2

60 - 64

139,073

2.2

65 - 69

98,177

1.5

70 - 79

143,841

2.3

80 - 89

61,911

1.0

90 - 99

14,232

0.2

100 +

5,759

0.1

Unknown

11,374

0.2

Total

6,339,960

100.0