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Presentation

2nd Revision

Introduction

 
Data - Population
Population and Land Area in China by Precipitation Zones, Average for 1985 - 1988

Precipitation
(mm)

Area
(sqkm)

Area
(% of Total)

Population
(millions)

Population
(% of Total)

Population
Density

2000-4000

36,350

0.4

12

1.0

324

1000-2000

2,064,700

21.9

577

49.8

280

800-1000

544,000

5.8

148

12.8

272

600-800

986,075

10.4

214

18.5

217

400-600

1,845,250

19.5

170

14.7

92

200-400

1,229,225

13.0

24

2.1

20

< 200

2,742,900

29.0

14

1.2

5
Source: IIASA LUC-GIS
The table should be read as follows: About 50% of the Chinese population of 1992 (or 589 million) lived in some 20% of the total land area, in which average precipitation between 1958 and 1988 was more than 1000 mm per year. The population density in these areas was between 280 and 324 people per sqkm.
Please do not mix up these results with the Cumulative Distribution of China's Land Area and Population Density (see this table). From the table on this page we can see that roughly 50% of the population lives in areas with a precipitation of more than 1000 mm per year (which make up some 20% of the total land area). The land areas are sorted by precipitation, even if they are not very densely populated. In the cumulative distribution table, however, the areas are sorted by population density, so that the table shows that 50% of the Chinese population lives in only some 8.2% of the land.
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Revision 2.0 (First revision published in 1999)  - Copyright 2011 by Gerhard K. Heilig. All rights reserved. (First revision: Copyright 1999 by IIASA.)