As of September 1, there were 75.4 million hogs and pigs on U.S. farms, down 4% from September 2020 but up 1% from June 1, 2021.
Of the 75.4 million hogs and pigs, 69.2 million were market hogs, while 6.19 million were kept for breeding.
Between June and August 2021, 33.9 million pigs were weaned on U.S. farms, down 6% from the same time period one year earlier.
For detailed graphs on the historical evolution of pig, sow, and hog inventories, see 333's production data for the U.S.
September 24, 2021/ USDA/ United States.
https://www.nass.usda.gov