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.
UN World Population Day 2015: These are the 10 most densely populated cities on the planet. There are now more than seven billion people on the planet, a figure that continues to grow every year. In 1950, the population was just 2.5 billion, which means a whopping growth rate of 180%.