Carbon dioxide emissions

Carbon dioxide emissions (CO2), kg CO2 per $1 GDP (PPP) (CDIAC)

Year	Value	Footnotes
1990	0.8721
1991	0.8668
1992	0.8647
1993	0.8319
1994	0.7652
1995	0.7857
1996	0.7514
1997	0.726
1998	0.6817
1999	0.5965
2000	0.5865
2001	0.5899
2002	0.5408
2003	0.535
2004	0.4907
2005	0.469
2006	0.4669
2007	0.425
2008	0.3735

Carbon dioxide emissions (CO2), kg CO2 per $1 GDP (PPP) (UNFCCC)

Year	Value	Footnotes
1990	0.94
1991	0.84
1992	0.88
1993	0.87
1994	0.81
1995	0.79
1996	0.8
1997	0.76
1998	0.71
1999	0.61
2000	0.62
2001	0.62
2002	0.62
2003	0.62
2004	0.58
2005	0.52
2006	0.51
2007	0.48
2008	0.42

Carbon dioxide emissions (CO2), metric tons of CO2 per capita (CDIAC)

Year	Value	Footnotes
1990	6.8455
1991	5.9355
1992	5.4185
1993	5.321
1994	5.1202
1995	5.6666
1996	5.6662
1997	5.1666
1998	4.64
1999	4.0302
2000	4.0648
2001	4.3422
2002	4.2031
2003	4.395
2004	4.3891
2005	4.3893
2006	4.7352
2007	4.5884
2008	4.4314

Carbon dioxide emissions (CO2), metric tons of CO2 per capita (UNFCCC)

Year	Value	Footnotes
1990	7.4
1991	5.7
1992	5.5
1993	5.5
1994	5.4
1995	5.7
1996	6
1997	5.4
1998	4.8
1999	4.1
2000	4.3
2001	4.6
2002	4.8
2003	5.1
2004	5.2
2005	4.9
2006	5.2
2007	5.2
2008	4.9

Carbon dioxide emissions (CO2), thousand metric tons of CO2 (CDIAC)

Year	Value	Footnotes
1990	158862
1991	137531
1992	125063
1993	122133
1994	116809
1995	128525
1996	127835
1997	115987
1998	103681
1999	89640
2000	89985
2001	95672
2002	92174
2003	95940
2004	95379
2005	94961
2006	102001
2007	98422
2008	94660

Carbon dioxide emissions (CO2), thousand metric tons of CO2 (UNFCCC)

Year	Value	Footnotes
1990	172131.6
1991	132525.3
1992	127776.7
1993	127233.7
1994	124059.6
1995	129567.1
1996	135513
1997	121071.2
1998	107333.6
1999	91651.3
2000	95314.1
2001	100305.8
2002	106351.8
2003	111420.2
2004	112176.5
2005	105877.2
2006	111120.6
2007	110906.6
2008	105553

Source: United Nations Statistics Division