While products are generally thought of as tangible personal property, products liability has stretched that definition to include intangibles (gas), naturals (pets), real estate (house), and writings (navigational charts).
According to the US Census Bureau's population clock, the estimated 2018 United States population (February 2018) is 327.16 million. This is a bit higher than the 326.77 million estimated by the United Nations.
The UN Population Division has calculated the future population of the world's countries, based on current demographic trends. The 2015 study projects the world population in 2030 to be 8.5 billion people, with the following estimates for the top 10 countries: