The amount of people that are in the United States is 334.9 million people.
The United States is the 3rd most populated country in the world and is the most populated in the Americas and the Western Hemisphere.
The amount of people in the world is around 8.2 billion people.
By the year 2050 the amount of people in the world is expected to reach as many as 9.7 billion people.
The world's population is expected to increase by nearly 2 billion people in the next 30 years, from the current 8.2 billion people to 9.7 billion people in 2050 and could peak at nearly 10.4 billion people in the mid-2080s.
Almost 20 billion people could be fed on the world's current agricultural land, but doing so would push the planet's “feeding capacity” to its limit and create huge biodiversity and climate change risks.
The world is the totality of entities, the whole of reality, or everything that exists.
The nature of the world has been conceptualized differently in different fields.
Some conceptions see the world as unique, while others talk of a "plurality of worlds"
Overpopulation presents several significant challenges that affect the environment, society and the global economy.
One of the most pressing consequences is environmental degradation.