After demobilisation from the Red Army in 1921, Kosygin attended the Leningrad Co-operative Technical School and found work in the system of consumer co-operatives in Novosibirsk, Siberia.
Efter den Røde Hærs demobilisering i 1921 gik Kosygin på Leningrads kooperative tekniske skole og fandt arbejde i systemet for forbrugerkooperativer i Novosibirsk i Sibirien.