This study aimed to analyze the relationship between the poor and Population, Land of Thailand We use regression analyze the poor (thousand) and Population (person) as Land (farm). The data Yearly basis since 2003 to 2012 gather from National Statistical Office. The study found that Population positive impact on the poor, therefore, if Population is increased by 1 the poor will be increased by 0.197 person. The study found that Land negative impact on the poor, therefore, if Land is increased by 1 the poor will be decreased by 0.208 person.