Like many STDs, genital HPV infections often do not have visible signs and symptoms. One study sponsored by the National Institute of Allergy and Infectious Diseases (NIAID) reported that almost half of the women infected with HPV had no obvious symptoms.
Quick Answer. The United States Census splits the country into four regions: northeast, midwest, west and south. Of these regions, as of 2013 the south has the largest total population with more than 118 million inhabitants or 37.4 percent of the country's total population. Continue Reading.
Demography of the United States. (Redirected from Demographics of the United States) As of March 16, 2017, the United States has a total resident population of 324,700,000, making it the third most populous country in the world. It is very urbanized, with 81% residing in cities and suburbs as of 2014 (the worldwide urban rate is 54%).