Notable countries that failed to qualify include four-time champions
Italy (for the first time since 1958) and
2014 third-place finishers
Netherlands. Four reigning continental champions failed to qualify: two-time
Copa América champion and
2017 Confederations Cup runner-up
Chile;
CONCACAF Gold Cup champion
United States (for the first time since 1986),
2017 Africa Cup of Nations champion
Cameroon, and
2016 OFC Nations Cup champion
New Zealand. From the African continent, three additional countries also miss out after qualifying in 2014:
Ghana and
Ivory Coast, who had both made the previous three tournaments, and
Algeria, who achieved their best result that year in the round of 16.