The Government of Sudan submitted its nationally determined contribution (NDC) to the UNFCCC on 1 August 2017.

The Government of Papua New Guinea submitted its second nationally determined contribution (NDC) to the UNFCCC on 15 December 2020.

The Government of the Republic of the Marshall Islands submitted its second nationally determined contribution (NDC) to the UNFCCC on 30 December 2020.

The Government of Moldova submitted its nationally determined contribution (NDC) to the UNFCCC on 3 March 2020.

The Government of Brunei Darussalam submitted its nationally determined contribution (NDC) to the UNFCCC on 30 December 2020.

The European Union submitted its updated nationally determined contribution (NDC) to the UNFCCC on 17 December 2020.

The Government of the People's Republic of China submitted its first nationally determined contribution (NDC) to the UNFCCC on 2 September 2016.

The Government of Singapore submitted its updated nationally determined contribution (NDC) to the UNFCCC on 30 March 2020.

The Government of Switzerland submitted its updated nationally determined contribution (NDC) to the UNFCCC on 8 December 2020.

The United Kingdom of Great Britain and Northern Ireland submitted its updated nationally determined contribution (NDC) to the UNFCCC on 11 December 2020.