He played for Sweden at the
1936 Summer Olympics. He was born in
Borås and died in
Varberg. He played for
IF Elfsborg and the
Sweden men's national football team, for whom he appeared in the
1934 and
1938 World Cups. He scored two goals in 1934 and one in 1938. Jonasson holds the record for most goals (252 goals) and most consecutive games (344 games, 1927–1941) in
Allsvenskan (top level of Swedish football). In 1936 he is mentioned in a Danish source for playing as a "false 9" when playing against a team using a WM-formation. In the same article the Danish journalist compares Sven Jonasson to the English centreforward Ted Drake. ==Honours==