Karachi: Demographic Data 1901-1998

Year

Population

Increase/ Decrease since last Census / Survey

No. of years in between

Percent Increase/ Decrease

Per annum increase

1901

  136,297

-

10

-

-

1911

  186,771

50,474

10

37.03

3.20

1921

  244,162

57,391

10

30.73

2.72

1931

  300,799

56,637

10

23.20

2.11

1941

  435,887

135,088

10

44.91

3.78

1951

1,068,459

632,572

10

145.12

9.38

1961

1,912,598

844,139

10

79.01

6.00

1972

3,426,310

1,513,172

11

44.16

5.15

1981

5,208,132

1,781,822

  9

52.00

5.07

1998

9,269,265

4,061,133

17

77.98

3.33