How many members are there of the UK House of Lords?
House of Lords
While the House of Commons has a defined 650-seat membership, the number of members in the House of Lords is not fixed. There are currently 790 sitting Lords. The House of Lords is the only upper house of any bicameral parliament to be larger than its lower house.[8]
List of elected hereditary peers under the House of Lords Act 1999
As of January 2018 there are 4 dukes, 1 marquess, 26 earls, 17 viscounts and 44 barons among the 92 hereditary peers entitled to sit in the House of Lords.