1965–1966 CE · Asia · Rights
Indonesia’s mass killings and imprisonment, 1965–1966
Army units and civilian militias killed vast numbers of communists and alleged sympathisers. Imprisonment and stigma continued after the massacres.
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An accusation became a licence for violence
After the killing of six generals during the September 1965 crisis, the army blamed the Indonesian Communist Party, or PKI. The party’s precise involvement remains contested. Military propaganda turned accusations against particular people into a justification for attacking a much wider population of members and alleged sympathisers.
Organised violence, uneven geography
Army units provided weapons, backing and information to civilian militias. The timing and participants differed by region. Hundreds of thousands were killed; published estimates vary widely and should not be represented as a precise census. Association with a political group, whether real or alleged, could be enough to place someone in danger.
The aftermath was also coercive
Many survivors endured long imprisonment and continuing persecution after release. Under Suharto, official narratives celebrated perpetrators and obstructed acknowledgement. The violence was therefore more than a short episode in a change of leadership: it reshaped who could organise, speak publicly and participate in political life.