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.
World Population (update:July 2006) = 6,525,170,264 humans. The rate of population growth has been receding since 1963. The rate of global growth before the 1960s was near to 2.4 percent, at present the rate has diminished to 1.27 percent.