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TABLE N.1 Relationship Between Population and Greenhouse Gas Emissions

   

Low-Income Economies

Lower- Middle-Income Economies

Upper- Middle-Income Economies

Newly Industrialized Economies

Population

(2.6)

(2.1)

(1.7)

(0.8)

 

1990

1.0

1.0

1.0

1.0

 

2020

2.16

1.87

1.66

1.27

 

2050

4.03

3.10

2.10

1.61

 

2100

9.36

4.62

3.12

1.61

Per capita income

(1.5)

(2.2)

(2.9)

(6.2)

 

1990

1.0

1.0

1.0

1.0

 

2020

1.56

1.92

2.35

6.07

 

2050

2.43

3.69

5.54

14.31

 

2100

5.11

10.95

23.14

59.75

CO2 emissions, annual

     
 

1990

1.0

1.0

1.0

1.0

 

2020

3.37

3.59

3.90

6.17

 

2050

9.79

11.44

11.63

16.12

 

2100

47.83

40.47

67.06

57.71

CO2 emissions, cumulated

     
 

1990

1.0

1.0

1.0

1.0

 

2020

65.5

68.8

73.5

107.5

 

2050

262.9

294.3

306.4

441.3

 

2100

1,703.4

1,591

2,271

2,286

Family planning effect (base = CO2 emission, cumulated)

 
 

1990

       
 

2020

0.20

0.56

0.49

1.34

 

2050

2.94

3.43

6.54

7.01

 

2100

58.71

51.90

34.65

89.09



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