Three big ways that the United States will change over the next decade

  The United States has just entered the new decade of the 2020s.

  What does our country look like today, and what will it look like 10 years from now, on Jan. 1, 2030? Which demographic groups in the U.S. will grow the most, and which groups will not grow as much, or maybe even decline in the next 10 years?