Current cigarette smokers are defined as having ever smoked 100 cigarettes in one’s lifetime and currently smoking every day or some days.

Estimates are age-adjusted to the year 2000 standard population using five age groups: 18-24 years, 25-34 years, 35-44 years, 45-64 years, and 65 years and over.  Estimates for the education-related subpopulations use only the oldest four age groups.

In 2002, there were substantial changes in the racial categories used by the Census Bureau. Time series by race that include data from both racial classifications should be interpreted with care. More details on the changes in racial categories.