Khovd Province
Baasanjav was born in 1906 in present-day Myangad district, Khovd Province. He joined Mongolian Revolutionary Youth League (MRYL) in 1923 and from 1927 to 1928 he was a school teacher near Ulaangom. After 1928 he devoted himself full-time to the MRYL, becoming secretary of its district committee.