Clement Winston, 84, a statistician and economist with the federal government for 35 years until he retired in 1968 from the old Bureau of the Budget, died of a heart ailment March 16 at Sibley Memorial Hospital.

Dr. Winston began his career in Washington in the Great Depression. He worked for various New Deal agencies, including the Works Progress Administration and the National Recovery Administration. During World War II, he worked for the Office of Price Administration and the War Production Board.

About 1945 he joined the Department of Commerce. For the next 17 years he was a principal contributor to its "Survey of Current Business." He then transferred to the Bureau of the Budget, now the Office of Management and Budget, and remained there until his retirement.

For 20 years Dr. Winston taught statistics in night classes at Johns Hopkins University.

Dr. Winston was born in Russia and came to this country in 1905. He grew up in Philadelphia. He graduated from what is now Pennsylvania State University with a degree in industrial engineering. He then went to the University of Pennsylvania, where he earned a bachelor's degree in education and master's and doctoral degrees in mathematics.

He finished his studies in 1933 and moved to Washington.

Dr. Winston was a member of Sigma Xi, a scientific research society, the Washington Philosophical Society, the American Mathematical Society, the American Statistical Association, and the Pennsylvania State and University of Pennsylvania alumni associations.

In private life he wrote poetry and songs for his family and friends.

Survivors include his wife, the former Sophie Zion, whom he married in 1934, of Washington, and one sister, Dr. Lee Winston-Silver of Philadelphia.