Productivity drives growth in U.S. agricultural output

Technological developments in agriculture have been influential in driving changes in the farm sector. Innovations in animal and crop genetics, chemicals, equipment, and farm organization have enabled continuing output growth while using less inputs.

As a result, even as the amount of land and labor used in farming declined, total agricultural output more than doubled between 1948 and 2015. During this period, agricultural output grew at an average annual rate of 1.48 percent, compared to 0.1 percent for total farm inputs (including land, labor, machinery, and intermediate goods).

The major source of output growth is the increase in agricultural productivity, as measured by total factor productivity (TFP)—the difference between the growth of aggregate output and growth of aggregate inputs. Between 1948 and 2015, TFP grew at an average annual rate of 1.38 percent, accounting for more than 90 percent of output growth over that period.

This chart appears in the ERS data product Agricultural Productivity in the U.S., updated October 2017.

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Productivity drives growth in U.S. agricultural output