Did Indonesia and Soviet Union (USSR) exist in the same era?

Yes, the two civilizations both existed around 1945 CE.

Which lasted longer, Indonesia or Soviet Union (USSR)?

Indonesia lasted longer (81 years).

Indonesia: Asya; Soviet Union (USSR): Avrasya

Indonesia (1945 CE – present) and Soviet Union (USSR) (1922 CE – 1991 CE) lived in the same era.

	Indonesia	Soviet Union (USSR)
Period	1945 CE – present	1922 CE – 1991 CE
Duration	81 years	69 years
Region	Asya	Avrasya
Capital	—	Moskova
Type	Country	Federation
Government	Cumhuriyet	Tek Parti Sosyalist Cumhuriyet
Religion	—	Devlet ateizmi
Language	—	Rusça
Peak population	270,625,568	293,000,000
Rulers	10	8

Republic of Indonesia · Asia

The first socialist superpower in history. The rival of the United States during the Cold War. It initiated the space race.

Did Indonesia and Soviet Union (USSR) exist in the same era?: Yes, the two civilizations both existed around 1945 CE.
Which lasted longer, Indonesia or Soviet Union (USSR)?: Indonesia lasted longer (81 years).
Which regions did Indonesia and Soviet Union (USSR) rule?: Indonesia: Asya; Soviet Union (USSR): Avrasya