International Socialist Alternative

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International Socialist Alternative

Formation	21 April 1974 (1974-04-21) (as Committee for a Workers' International) 1 February 2020 (as International Socialist Alternative)
Type	Association of Trotskyist political parties
Headquarters	Hovenierstraat 45, 1080 Molenbeek, Brussels, Belgium
Region served	Worldwide
Membership	30 sections
Leader	Collective leadership
Website	internationalsocialist.net

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International Socialist Alternative is an international association of Trotskyist political parties.

The group was founded in 1974 as the Committee for a Workers' International, by supporters of Militant from 12 countries.^[1] In August 2019, a faction left and formed a separate organisation called the "refounded CWI". After initially calling themselves the "CWI Majority", the remaining group relaunched under the name International Socialist Alternative in February 2020. The ISA has groups in 30 countries.