The 5 BRICS Members have a combined total POPULATION of 3.21 Billion, which is 41% of the Global Population
Combined, their total AREA is 39.7 Million Sq.KMs which is approximately 27% of the World’s Land Area
Their combined NOMINAL GDP is estimated as 26.6 Trillion USD, equivalent to 26% of the global nominal GDP
They have a combined GDP (PPP) of roughly 52 Trillion USD, which is 32% of the global estimated
The Current BRICS Members are Brazil 
, China 
, India 
, Russia 
and South Africa 
Nearly 12 Countries have expressed their interest in joining the BRICS, including Nigeria 
, Egypt 
, Saudi Arabia 
, Mexico 
, Argentina 
among others
For more on the Geopolitics around BRICS and the Dollar,