As an expert in public health, I can provide you with an estimate based on the most recent data available. However, please note that the number of smokers can fluctuate due to various factors such as public health initiatives, changes in social attitudes, and economic conditions.

According to the Centers for Disease Control and Prevention (CDC), as of 2019, approximately 20.8% of adults in the United States were current smokers. This percentage translates to an estimated 55.1 million adults who smoke cigarettes.

It's important to note that smoking rates have been declining over the years due to increased awareness of the health risks associated with smoking, as well as the implementation of tobacco control policies and smoking cessation programs.

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In 2015, about 15 of every 100 U.S. adults aged 18 years or older (15.1%) currently* smoked cigarettes. This means an estimated 36.5 million adults in the United States currently smoke cigarettes. More than 16 million Americans live with a smoking-related disease.read more >>