Who is the largest group of immigrants coming to United States today?

According the U.S. Census Bureau, the largest group of immigrants coming to the United States today is from Mexico. In 2021, there were an estimated 11.4 million Mexican immigrants living in the United States, making up about 28% of the total foreign-born population. This number has been steadily increasing over the past few decades, and it is projected to continue to grow in the future.