Soviet Union football league system

Soviet Union football league system has changed a lot since introduction of league competitions.

1990

Level	League(s)/Division(s)										P/R
1	Supreme League Vysshaya Liga 13-16 teams										0-1
2	First League Pervaya Liga 20-22 teams										3 1
3	Second League Vtoraya Liga
	West			Center			East
4	Lower Second League Nisshaya Vtoraya Liga
	Zone 1	Zone 2	Zone 3	Zone 4	Zone 5	Zone 6	Zone 7	Zone 8	Zone 9	Zone 10

1971-1990

Level	League(s)/Division(s)									P/R
1	Supreme League Vysshaya Liga 16-18 teams									2
2	Soviet First League Pervaya Liga 22 teams									2 3
3	Second League Vtoraya Liga									3
	Zone 1	Zone 2	Zone 3	Zone 4	Zone 5	Zone 6	Zone 7 (1972-73, 1980-90)	Zone 8 (1980-90)	Zone 9 (1980-90)

1970

Level	League(s)/Division(s)								P/R
1	Supreme Group A Vysshaya Gruppa A 16-18 teams								2
2	First Group A Pervaya Grouppa A 22 teams								2 3
3	Second Group A Vtoraya Gruppa A								3
	Zone 1			Zone 2			Zone 3
4	Class B Klass B								3
	Zone 1 (Russia)	Zone 2 (Russia)	Zone 3 (Russia)	Zone 4 (Russia)	Zone 5 (Ukraine)	Zone 6 (Ukraine)	Zone 7 (Kazakhstan)	Zone 8 (Middle Asia)

1963-1969

Level	League(s)/Division(s)											P/R
1	First Group A Pervaya Gruppa A 16-18 teams											2
2	Second Group A Vtoraya Grouppa A											2 3
	Subgroup 1			Subgroup 2			Subgroup 3			Subgroup 4
3	Class B Klass B											3
	Russian SFSR						Ukrainian SSR			Union republics
	Zone 1	Zone 2	Zone 3	Zone 4	Zone 5	Zone 6	Zone 1	Zone 2	Zone 3	Zone 1	Zone 2

1950-1963

Level	League(s)/Division(s)											P/R
1	Class A Klass A 16-18 teams											2
2	Class B Klass B											2 3
	Subgroup 1			Subgroup 2			Subgroup 3			Subgroup 4

1945-1950

Level	League(s)/Division(s)											P/R
1	First Group Pervaya Gruppa 12-18 teams											2
2	Second Group Vtoraya Gruppa											2 3
	Subgroup 1			Subgroup 2			Subgroup 3			Subgroup 4

1936-1941

Initially, for the Spring championship of 1936 there were only seven teams participating in the top group, while for the Fall championship amount of participants was increased to eight. A similar case scenario took place in the second group as for the spring championship saw some withdrawals. In the third group the number of participants was unchanged at eight for both parts of 1936 season. At same time in the fourth group initially there were five teams for the spring half and six for the autumn.

In 1937 the number of participants continue to grow. Some reshuffling took place between groups A and B, although initially both consisted of eight teams. Groups V and G increased their team pools to 10 and 12 participants, respectively. Also for the 1937 there was introduced the Group D with two subgroups.

In 1938 all of groups were merged into one big super league of 26 teams.

In 1939 and 1940 season Group A consisted of 14 teams. There also was a revival of Group B with 23 teams at first and then reduced to 14 as well.

In 1941 season there was only Group A championship which was heavily adjusted to 15 teams.

Level	League(s)/Division(s)		P/R
1	Group A Gruppa A 7-26 teams
2	Group B Gruppa B 7-23 teams (1936-37, 1939-40)
3	Group V Gruppa V 8-10 teams (1936-37)
4	Group G Gruppa G 5-12 teams (1936-37)
5	Group D Gruppa D 11 teams (1937)	Group D (Cities of the East) Gruppa D (Goroda Vostoka) 9 teams (1937)