As a public health professional with a focus on epidemiology, I can provide you with an informed response regarding the prevalence of smoking among adults. It's important to note that the percentage of adults who smoke can vary significantly by country, region, and over time due to changes in public health policies, cultural attitudes, and economic factors.

Globally, according to the World Health Organization (WHO), as of my last update in early 2021, approximately 22% of adults worldwide were current tobacco users. This includes both men and women, and the percentage is higher in some regions, such as the Western Pacific and Southeast Asia, where tobacco use has been more prevalent.

However, it's crucial to recognize that these figures are subject to change as new data becomes available, and different sources might report slightly different statistics. For the most current and accurate information, it's best to consult the latest reports from reputable health organizations or conduct a search with the current year included to find the latest studies and surveys.

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The rate of smoking among adults in the U.S. fell to 15 percent last year thanks to the biggest one-year decline in more than 20 years, according to a new government report. The rate fell 2 percentage points from 2014, when about 17 percent of adults in a large national survey said they had recently smoked.read more >>