Members of the SACU:
Southern African Customs Union

The SACU is a trade agreement of currently 5 countries in Southern Africa.

All member states comprise a total area of 2.67 million km² and about 67.50 million people. This is 1.77% of the habitable area around the world and 0.87% of the world population. With an economic output of 366.97 billion US dollars annually, they represent around 0.43 percent of the global economy. The value of all exported goods of these 5 countries was 105.24 billion US dollars per year at last count.

Official website:
Map of member countries: SACU - Southern African Customs Union
Botswana2.35 M582,000 km²15.06 bn US$
Eswatini1.16 M17,000 km²3.97 bn US$
Lesotho2.14 M30,000 km²1.88 bn US$
Namibia2.54 M824,000 km²10.62 bn US$
South Africa59.31 M1,219,000 km²335.44 bn US$