Carter was born at Foxton in 1908, the son of Walter S. Carter.[1] He received his education from Palmerston North and Waitaki Boys' High Schools. Afterwards, he was a farmer and active in various farming organisations.[2] He was chairman of the New Zealand Pig Producers council, and was with the New Zealand Sharemilkers Employers Association, the Waikato Province Dairy Section of Federated Farmers, and was on the Waikato Primary Producers council.[1]