Final answer:
The average percentage of foreign-born inhabitants in the United States is 14.9%, indicating the historic and ongoing significance of immigration to the U.S. society and economy.
Step-by-step explanation:
The average percentage of foreign-born inhabitants in the United States is 14.9. This figure highlights the significant role that immigration has played and continues to play in the demographic composition of the United States. While the absolute numbers are historically high, when measured as a share of the population, the impact is more modest though it brings both economic gains and challenges. Over recent years, there has been a notable increase in the number of immigrants coming from Asian countries, surpassing those from Latin America and the Caribbean.