according to the National Institute on Deafness and Other Communication Disorders (NIDCD), in 2020, the NIDCD funded over $13 million in research related to stuttering in the United States. Additionally, there are many other organizations and foundations that fund research on stuttering, both in the US and internationally. These include the Stuttering Foundation of America, the International Stuttering Association, and the British Stammering Association, among others.