Smoking is more prevalent among the following groups: Men Young adults People who identify as lesbian, gay, bisexual, or transgender Those who are disabled People with less than a high school education People living at or below the poverty income level People with psychiatric disorders (including alcohol and substance use) American Indian and Alaskan Native people Smoking is less common among Hispanics and least common among Asian American women. Nearly all smokers start before the age of 18, making tobacco use a pediatric disorder.