Fix the grammatical mistakes: The manpower resources of many developed countries are predicted to shrink as a hefty portion of the workforce is edging towards retirement.
The United States is the most populous country in the world, with a population of 312,000,000 people. The United States is the world’s most populous country, with a population of 312,000,000 people. The United States is the world’s largest economy, with a Gross Domestic Product (GDP) of $27.2 trillion. The United States is a developed country, with a Gross Domestic Product
The United States is a country of 300 million people, and the population is expected to grow to 200 million by 2050.
The United States is a country in the northern hemisphere, in the Northern Hemisphere, and in the Western Hemisphere, in the Western Hemisphere.
The United States is a country in the Northern Hemisphere, in the Northern Hemisphere, and in the Western Hemisphere, in the Western Hemisphere.
The United States is a country in the Western