The “Impact Evaluation” of the Prevention of HIV and AIDS among Migrant Workers in Thailand-2 (PHAMIT-2) Program has carried out its field work starting with Myanmar migrants worker in Bangkok, Samut Prakan, Samut Sakhon, Ranong, Tak, Surat Thani and Nonthaburi. 4 – 31 October 2013 and will interview migrants from Lao PDR and Cambodia in November-December 2013. The total sample will be 3,600 migrants in 11 provinces in Thailand.