Table 5.

Regional summary statistics relating to total annual CO₂ emissions from GridFEDv2019.1.

Variable	Period	Global	Northern Extratropics	Tropics	Southern Extratropics
Mean Annual Emissions (Gt CO₂ year⁻¹)	1960–1969	11.1	9.6	1.3	0.2
	1970–1979	17.2	14.4	2.5	0.3
	1980–1989	20.1	16.2	3.5	0.3
	1990–1999	23.2	17.7	5.1	0.4
	2000–2009	28.5	20.4	7.5	0.5
	2010–2018	34.9	23.3	10.9	0.6
	2018	36.4	23.8	11.9	0.6
Mean Fraction of Global Emissions (%)	1960–1969		86.1	12.1	1.5
	1970–1979		83.9	14.3	1.6
	1980–1989		80.7	17.3	1.7
	1990–1999		76.1	21.8	1.8
	2000–2009		71.5	26.3	1.9
	2010–2018		66.7	31.2	1.7
	2018		65.2	32.8	1.7
Mean Annual Emissions Uncertainty (Gt CO₂ year⁻¹)	1960–1969	2.7	2.2	0.4	0.0
	1970–1979	4.0	3.1	0.8	0.1
	1980–1989	5.1	3.8	1.2	0.1
	1990–1999	6.1	4.2	1.8	0.1
	2000–2009	7.9	5.0	2.7	0.1
	2010–2018	10.3	6.1	4.1	0.2
	2018	10.8	6.1	4.5	0.2
Mean Annual Emissions Uncertainty (%)	1960–1969	24.6	23.5	32.4	26.2
	1970–1979	23.2	21.6	32.7	24.8
	1980–1989	25.4	23.3	35.3	25.6
	1990–1999	26.3	23.7	35.7	25.7
	2000–2009	27.8	24.7	36.5	25.5
	2010–2018	29.5	26.0	37.2	25.2
	2018	29.6	25.8	37.5	24.9
Mean Annual Emissions Growth (%)	1960–1969	4.5	4.4	5.0	5.0
	1970–1979	3.6	3.3	5.7	3.5
	1980–1989	1.3	0.9	3.2	2.6
	1990–1999	0.9	0.2	3.5	2.3
	2000–2009	2.6	1.8	4.7	2.0
	2010–2018	1.7	1.1	2.9	0.6
	2018	2.1	1.7	3.1	−0.2