Mga Republika ng Unyong Sobyet

Ang mga Republika ng Unyong Sobyet ay binubuo ng 15 Republika na nakatala sa sumusunod:

Malayang Estado

1.  Armenia
2.  Azerbaijan
3.  Belarus
4.  Estonia
5.  Georgia
6.  Kazakhstan
7.  Kyrgyzstan
8.  Latvia
9.  Lithuania
10.  Moldova
11.  Russia
12.  Tajikistan
13.  Turkmenistan
14.  Ukraine
15.  Uzbekistan

Mga Republika ng Unyong Sobyet

Republikang Sobyet	Kabisera (base noong 1989)	Rehiyon	Populasyon	%	Pinakabago (2007 Hul)	Porsento %	Density	Lawak (km²)	%	Pagkakasunod batay sa Konstitusyon	Malayang Estado (kasalukuyang watawat)
Russian SFSR	Moscow	Russia	147,386,000	51.40%	141,377,752	-4%	8.6	17,075,200	76.62%	1	Russian Federation
Ukrainian SSR	Kiev	West	51,706,746	18.03%	46,299,862	-10.5%	85.6	603,700	2.71%	2	Ukraine
Uzbek SSR	Tashkent	Central Asia	19,906,000	6.94%	27,780,059	+39.6%	44.5	447,400	2.01%	4	Uzbekistan
Kazakh SSR	Alma-Ata	Central Asia	16,711,900	5.83%	15,284,929	-8.5%	6.1	2,727,300	12.24%	5	Kazakhstan
Byelorussian SSR	Minsk	West	10,151,806	3.54%	9,724,723	-4.2%	48.9	207,600	0.93%	3	Belarus
Azerbaijan SSR	Baku	Caucasus	7,037,900	2.45%	8,120,247	+15.4%	81.3	86,600	0.39%	7	Azerbaijan
Georgian SSR	Tbilisi	Caucasus	5,400,841	1.88%	4,646,003	-14.0%	77.5	69,700	0.31%	6	Georgia
Tajik SSR	Dushanbe	Central Asia	5,112,000	1.78%	7,076,598	+38.4%	35.7	143,100	0.64%	12	Tajikistan
Moldavian SSR	Chişinău	West	4,337,600	1.51%	4,320,490	-0.4%	128.2	33,843	0.15%	9	Moldova
Kirghiz SSR	Frunze	Central Asia	4,257,800	1.48%	5,284,149	+24.1%	21.4	198,500	0.89%	11	Kyrgyzstan
Lithuanian SSR	Vilnius	Baltic	3,689,779	1.29%	3,575,439	-3.1%	56.6	65,200	0.29%	8	Lithuania
Turkmen SSR	Ashgabat	Central Asia	3,522,700	1.23%	5,097,028	+44.7%	7.2	488,100	2.19%	14	Turkmenistan
Armenian SSR	Yerevan	Caucasus	3,287,700	1.15%	2,971,650	-9.6%	110.3	29,800	0.13%	13	Armenia
Latvian SSR	Riga	Baltic	2,666,567	0.93%	2,259,810	-15.3%	41.3	64,589	0.29%	10	Latvia
Estonian SSR	Tallinn	Baltic	1,565,662	0.55%	1,346,127	-14.1%	34.6	45,226	0.20%	15	Estonia