How companies are assigned responsibility based on home country income bracket

Estimated % of global emissions (1988-2022) v home country gross national incomee

Full payment High-income country

Half payment Upper-middle income

Exempt Low/lower-middle income

5% of global emissions (CO2 equivalent)

Saudi Aramco

Would make a full payment on its

4.78% share of global emissions

4

Gazprom

Russian company would make a half payment

on its 4.49% share of global emissions

3

National Iranian Oil Co

Exempt from payment

on 2.6% share

ExxonMobil

US

2

Coal India 2.33%

Shell

N’lands

PetroChina

BP

UK

1

BHP Billiton

Australia

0

$0 GNI per

capita, 2021

25,000

50,000

75,000

Exempt

Low/lower-middle income

Half payment

Upper-middle income

Full payment

High-income country

5% of global emissions (CO2 equivalent)

Saudi Aramco

Would make a full payment on its

4.78% share of global emissions

4

Gazprom

Russian company would make a half payment

on its 4.49% share of global emissions

3

National Iranian Oil Co

Exempt from payment

on 2.6% share

ExxonMobil

US

Shell

Netherlands

2

Coal India

2.33%

PetroChina

BP

UK

Peabody

US

1

BHP Billiton

Australia

0

$0

GNI per capita, 2021

20,000

40,000

60,000

80,000