In 1957, he enrolled in the department of economics at Dhaka University and completed his BA in 1960 and MA in 1961. Following his graduation, Yunus joined in the Bureau of Economics. There he worked as research assistant to the economical researchs of Professor Nurul Islam and Rehman Sobhan . Later he was appointed as a lecturer in economics in Chittagong College and joined there in 1961.
He obtained his Ph.D. in economics from Vanderbilt University in the United States in 1969 after getting a Fulbright scholarship. From 1969 to 1972, Yunus was an assistant professor of economics at Middle Tennessee State University before moving back to Bangladesh, where he joined Chittagong University as an economics professor.