Long-running musical theatre productions

This is a selected list of the longest-running musical theatre productions in history divided into two sections. The first section lists all Broadway and West End productions of musicals that have exceeded 2,500 performances, in order of greatest number of performances in either market. The second section lists, in alphabetical order, musicals that have broken historical long run records for musical theatre on Broadway, in the West End or Off-Broadway, since 1866, in alphabetical order.
Longest-running musicals on Broadway and the West End.
The following is a list of musical theatre productions that have exceeded 2,500 performances in Broadway or West End theatres.
Other historic long runs.
The following is an annotated alphabetical list of other musicals that set records for long runs.