Despite the importance of Southeast Asia (SEA) region in the world for economy and agriculture, and despite reported evidence of the modernization of various aspects of the agricultural sector, the information has not been compiled in ways that provides more representative insights of the regions, as well as chronological, dynamic perspectives across different aspects of the overall agricultural developments. This report partly fills this knowledge gap by summarizing the key characteristics in SEA region of the agricultural development, as well as changes in related outcomes, such as nutrition, natural resource endowments, and the labor movement into non-farm economies.