ABSTRACT The livelihoods of upland communities in Vietnam are rapidly transforming due to socio-economic and environmental changes. As a result, livelihood diversification has emerged as an adaptive strategy to these pressures, while agricultural commercialization demands greater production specialization. This study explored livelihood and crop diversification in the central highlands using survey data from 364 households and 22 in-depth interviews. The Simpson Diversity Index and Herfindahl-Hirschman Indexe were used to measure diversification levels, and regression analysis identified key determinants. Findings revealed moderate-low livelihood diversification toward non-farm activities and moderate-high crop diversification, with a trend toward industrial cassava specialization. Household-head age, education, perception of climate risks, and transportation accessibility were key factors influencing livelihood diversification. The study recommends policies to enhance young laborers’ capacity in agriculture and promote the development of non-farm livelihood activities, leveraging local resources for sustainable upland development.
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