Grammar improvements: Just a few decades ago, most economies were so focused in developing the country economically that they have ignored the issue of an aging population.
The 1990s, the 2000s and the 2010s, the 2010s and 2011s, and the 2011s and 2012s.
- The 2011s and 2012s, the 2010s and 2011s, and the 2010s and 201
The United States is a country that has a population of 320 million people.
The United States has a population of 320 million people.
The United States has a population of 320 million people.
The United States has a population of 320 million people.
The United States has a population of 320 million people.
The United States has a population of 320 million people.
The United States has a population