Anni-Frid Lyngstad - age 76 (born on November 15, 1945)
Benny Andersson - age 75 (born on December 16, 1946)
The other two members are deceased:
Björn Ulvaeus - age 77 (born on April 25, 1945)
Agnetha Fältskog - age 72 (born on April 5, 1950)