Rubber farming has become one of the important aspects for sustainable livelihood in an agrarian economy and has become a driving force for economic development of a country. In the global context, India has become one of the leading producers of natural rubber product next to Malaysia. In India, states like Kerala and Tripura, rubber farming has become a major source of employment and income generation for the rural people. In Nagaland, majority of the people still depends on agriculture and allied activities for their livelihood. However, people are still dependent on jhumming which are mostly of subsistence rather than commercial. Thus, rubber farming is gaining momentum as an alternative to jumming cultivation in almost every district of the state. Therefore, this paper tries to examine the relationship between farm size and productivity of rubber by taking 60 rubber farmers as a sample from the two districts (Wokha and Mokokchung). The result of the analysis shows that there is a high correlation between farm size and rubber production in the state.