The study aims at analysing of Burundi agricultural efficiency determinants. The results have shown a low level of agricultural efficiency. The agricultural efficiency level observed in Burundi agricultural sector showed a possibility of doubling the agricultural production using the same inputs by achieving the optimum efficiency. The determinants of agricultural efficiency enhancement included improving access to market, road, extension, agricultural loan and reduction of vulnerability of young and female farmers. A focus on agricultural efficiency enhancement might be prioritised to increase agricultural income.