There are approximately 154 million individuals suffering from depression worldwide, although as one source will tell, those numbers are probably higher due to a poor ability to survey in some countries and undiagnosed individuals.
Depressive disorders affect approximately 18.8 million American adults or about 9.5% of the U.S. population age 18 and older in a given year. This includes major depressive disorder, dysthymic disorder, and bipolar disorder.
what percentage of the worlds population suffer from obesity
The population is .05 percent
Forty percent of the worlds population have pets at home.
16 % of worlds population