Membership in the NFWW alone quadrupled during the war years.
The membership figures for the NFWW increased from 20,000 in 1914 to 80,000 in 1918.
20 Women's groups cooperating on the report included the WTUL, NFWW, Women's Co-operative Guild, Women's Labour League, and the Railway Women's Guild: Women's Industrial News 78 (July 1917): 6, 7; Woman Worker (London), December 1918, March 1919.