U.S. obesity rate up to 27.7 percent in 2014 U.S. Obesity Rate Inches Up to 27.7% in 2014 U.S. Obesity Rate Inches Up to 27.7% in 2014 Gallup: U.S. Obesity Rate Inches Up to 27.7% in 2014 U.S. obesity rate up to 27.7 percent in 2014