Gallup Poll: U.S. Shifted To Republican Preference In 2021

In 2021, there was a notable shift in political preferences in the U.S. Initially, there was a 9% preference for the Democratic Party, but by the end of the year, a poll showed a 5% preference for the GOP. Additionally, more Americans identified as political independents. The poll was conducted with a random sample of 12,000 U.S. adults.

Describe the trend in political party preference from the beginning to the end of 2021.

What was the sample size of the poll conducted?