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.
According to the 2017 revision of the World Population Prospects the total population was 48,653,419 in 2016, compared to only 12,342,000 in 1950. The proportion of children below the age of 15 in 2015 was 24.3%, 68.7% was between 15 and 65 years of age, while 7% was 65 years or older .