The document summarizes land concessions and their impacts in Mekong countries. It finds that Cambodia has the highest percentage of smallholder land area under concessions at 66%, while Vietnam has the lowest at 4%. Concessions have increased inequality in land distribution and negatively impacted communities through deforestation, lack of social protections, and dispossession. However, some governments have implemented reforms like moratoriums on new concessions, land titling programs, and evaluations of existing concessions.