According to A Century of Pop by Hugh Gregory, the 1990 were the start of boy bands. Boy bands are a group of talented male artists that sing and/or dance on stage together as a group. These boy bands had a big impact in music at that time. They started getting popular and seem to attract the younger generation then adults.
Billboard is the biggest music source in the world. In one of their article they state that boy bands have sold millions of records and have had massive tours around the globe, but the success does not come to everyone. Billboard talks about the biggest boy band from the late 80's all the way to 2012.