Carbon dioxide emissions

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

Year	Value	Footnotes
1990	0.4911
1991	0.5245
1992	0.4791
1993	0.467
1994	0.4614
1995	0.4234
1996	0.417
1997	0.3905
1998	0.3757
1999	0.357
2000	0.3331
2001	0.3368
2002	0.314
2003	0.2955
2004	0.286
2005	0.2693
2006	0.255
2007	0.2478
2008	0.2509

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

Year	Value	Footnotes
1990	0.52
1991	0.53
1992	0.51
1993	0.5
1994	0.49
1995	0.45
1996	0.44
1997	0.41
1998	0.4
1999	0.38
2000	0.36
2001	0.36
2002	0.33
2003	0.31
2004	0.3
2005	0.3
2006	0.28
2007	0.26
2008	0.27

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

Year	Value	Footnotes
1990	8.6546
1991	9.4023
1992	8.839
1993	8.7961
1994	9.127
1995	9.1145
1996	9.6244
1997	9.9625
1998	10.2927
1999	10.6935
2000	10.7652
2001	11.3186
2002	11.0274
2003	10.6195
2004	10.5308
2005	10.3202
2006	10.0943
2007	10.198
2008	9.8274

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

Year	Value	Footnotes
1990	9.2
1991	9.4
1992	9.4
1993	9.3
1994	9.6
1995	9.8
1996	10.1
1997	10.5
1998	10.9
1999	11.2
2000	11.7
2001	12.2
2002	11.6
2003	11.2
2004	11.2
2005	11.3
2006	11
2007	10.9
2008	10.7

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

Year	Value	Footnotes
1990	30418
1991	33109
1992	31254
1993	31287
1994	32691
1995	32893
1996	35009
1997	36553
1998	38140
1999	40099
2000	40949
2001	43780
2002	43458
2003	42695
2004	43212
2005	43212
2006	43113
2007	44411
2008	43604

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

Year	Value	Footnotes
1990	32377.2
1991	33184.1
1992	33083.6
1993	33214.8
1994	34441.6
1995	35220.2
1996	36912.3
1997	38357.9
1998	40470.1
1999	42156.2
2000	44650.9
2001	47058
2002	45648.5
2003	44897.7
2004	45762.6
2005	47519.6
2006	47110.2
2007	47305.2
2008	47391.5

Source: United Nations Statistics Division