The majority of truth commissions have been in which countries?

The majority of truth commissions have been in countries that have experienced periods of authoritarian rule, internal armed conflict, or human rights violations. Some of the countries that have implemented truth commissions include:

1. South Africa: The Truth and Reconciliation Commission (TRC) was established in 1995 following the end of apartheid.
2. Argentina: The National Commission on the Disappearance of Persons (CONADEP) was set up in 1983 after the end of the military dictatorship.
3. Chile: The National Commission on Truth and Reconciliation (Rettig Commission) was formed in 1990 to investigate human rights abuses during the Pinochet regime.
4. Guatemala: The Historical Clarification Commission (CEH) was created in 1997 to investigate human rights abuses during the country's civil war.
5. Peru: The Truth and Reconciliation Commission of Peru (CVR) was established in 2001 to examine human rights abuses committed during the internal conflict with the Shining Path and Tupac Amaru Revolutionary Movement.
6. Liberia: The Truth and Reconciliation Commission of Liberia (TRC) was formed in 2005 following the end of the civil war.
7. Sierra Leone: The Truth and Reconciliation Commission of Sierra Leone (TRC) was set up in 2002 after the country's civil war ended.
8. Colombia: The Truth Commission of Colombia (CEV) was established in 2018 as part of the peace agreement with the Revolutionary Armed Forces of Colombia (FARC).

These are just a few examples, and truth commissions have been implemented in several other countries as well.