The magnitude and extent of the human toll of the 26 December 2004 Earthquake and Indian Ocean Tsunami caused widespread destruction and mobilized an enormous effort for humanitarian assistance never seen in the past.

Estimates of the economic and social impact of the disaster were undertaken under the leadership of the World Bank in Indonesia, Sri Lanka, Maldive Islands, and India. In
Thailand, however, only individual sector assessments as well as preliminary global assessments of the macroeconomic impact were carried out by different government institutions, in some cases with assistance from international organizations. Thus, no comprehensive assessment is available for the entire Thailand nation.

ADPC undertook the estimation of the total amount of damage and losses sustained by Thailand. This report describes the methodology, assumptions and results of such estimation.