There is currently no cap on the membership of the House of Lords. Some have recommended the introduction of a cap to address concerns about the size of the House. This article discusses recent proposals to cap the membership at 600 and sets out the Government's position. It also contains brief information on recent changes in the size of the House.

Following the recent announcement of 36 new life peers by Prime Minister Boris Johnson, this briefing provides information and statistics on peers created under the Life Peerages Act 1958. This includes breakdowns by decade and by prime minister. It also contains a list of every life peer appointed under the Act.

There is no formal retirement age for members of the House of Lords. However, members can voluntarily retire under the provisions of the House of Lords Reform Act 2014. This article explains how these provisions came into force and details how many members have retired under this legislation so far.