when adb was founded in 1966 it consisted of 31 members since then membership has grown to 68 members which is made up of 48 regional and 19 non regional members membership as of 2022 includes 6
the two largest shareholders of the asian development bank are the united states and japan both countries have a majority ownership of the bank with 15 6 each 7who controls the asian development bank the adb is run by a board of governors which represent the member countries of the adb as of 2022 adb s five largest shareholders are japan and the united states each with 15 6 of total shares the people s republic of china 6 4 india 6 3 and australia 5 8 75