You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "what percentage of the world population is america?" whose answer is 4.29%.
Each document should contain about 30 words, and these documents should contain useful information.

Query: current population of the United States and world population
Useful Output:

Doc 1: Shows estimates of current USA Population overall and people by US state/county and of World Population overall, by country and most populated countries.
Doc 2: The current world population is 8,218,209,237 as of Thursday, April 24, 2025 according to the most recent United Nations estimates [1] elaborated by Worldometer
Doc 3: U.S. and World Population Clock · U.S. Population · World Population.
Doc 4: Overall Population over time​​ In the United States of America, the current population is 343,477,335 as of 2023 with a projected increase of 11% to 380,846,910
Doc 5: As the nation rang in the new year, the U.S. Census Bureau projected the U.S. population will be 335893238 at midnight EST, on Jan. 1, 2024.