The EU's membership has almost doubled since 2004.
have a membership of sth We currently have a membership of more than 11,000 professionals, professors, and students.
declining/falling membership Pooling resources will help us cope more easily with declining membership and revenues.
membership numbers/a membership base
membership declines/falls/goes down Membership in investment clubs has declined just like the stock market.
membership increases/rises/climbs Party membership has risen, by 3,000, for the first time in 20 years.
a decline/increase in membership We get a significant increase in membership each year, mostly because people read about us on the Internet.
expand/boost/restrict membership The appointment was made in the hope of strengthening finances and boosting membership.