Summarize the following passage in less than 50 words.

The issue of immigration has become critical as the number of people wanting to enter the United States for a better life has been on the rise. Immigration has been a consistent source of controversy and debate, with wide variations in opinion regarding the benefits and drawbacks of immigration. Migration from one part of the world to another is not uncommon, yet the current state of the immigration debate in the United States has escalated and has become divisive.
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The number of people wanting to migrate to the United States has increased, leading to debate and controversy around the benefits and drawbacks of immigration. The US immigration debate has become highly divisive.
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