209 out of the 214 member federations of the IAAF participated in the Championships, as well as an Athlete Refugee Team, for a total of 1972 final entries (1054 men and 918 women).[99] Due to the IAAF suspension of the Russian Athletics Federation, confirmed on 23 September by the IAAF Council,[100] Russian athletes competed as Authorised Neutral Athletes.[101] A total of 101 federations entered one athlete only (25 of those athletes are women). IAAF members not participating were Libya, Liechtenstein, Montserrat, Norfolk Island and Tuvalu.