Benny and Bjorn composed the musical "Chess" with Sir Tim Rice before writing musicals on their own, including worldwide smash "Mamma Mia". They manage ABBA's back catalogue and assisted with the opening of the ABBA Museum in Stockholm. . Benny still records and performs with Benny Andersson's Orkester.
Both Benny and Björn have done some writing and production work for other artists and were instrumental in the opening of the famous ABBA Museum in Stockholm.
Frida released three solo albums, the first one was produced by Phil Collins and included the hit single "I Know There's Something Going On". She moved to Zermatt, Switzerland in the 1990s to fight for environmental causes. She is German royalty by marriage - officially Her Serene Highness Anni-Frid Synni, Princess Reuss of Plauen.
Agnetha released five English language albums between 1983 and 2013 (with her last, "A", re-released as "A+" in October last year).
As a group, Abba released their ninth album "Voyage" in 2021 - their first with entirely fresh material  in 40 years. They did not tour to support its release but In 2022 launched "ABBA Voyage", a virtual concert featuring the band members as avatars that takes place in a custom-built arena in London's Queen Elizabeth Olympic Park seven days a week.