[4] It has individual members all over the world who pay dues, and in that sense they remain "international".

[6][7] Memberships can be estimated by the dues paid to the World Federation of Chiropractic, which publishes the total amount it receives from its member associations.

"[12] The ICA supports the efforts of the National Vaccine Information Center (NVIC).

In 2016 the widely discredited anti-vaccination propaganda film VAXXED was shown at a conference sponsored by the ICA's Council on Chiropractic Pediatrics.

The attempt failed and the profession reached a consensus in London, in 1987, to create the World Federation of Chiropractic.