The likelihood of being uninsured varies by age and gender.
Men are more likely to be uninsured than women.
Uninsured Non-Elderly Adult Population by Gender, 2007

Source: SHADAC estimates from the Current Population Survey Annual Social and Economic Supplement, 2008.
Adults ages 25-34 are more likely to be uninsured.
Percentage Uninsured Among Nonelderly Adults by Age, 2007

Source: SHADAC estimates from the Current Population Survey Annual Social and Economic Supplement, 2008.
Other Related Fact Sheets
Overview [1]
Children [2]
Immigration Status and Nativity [3]
Race/Ethnicity [4]
Workers [7]
Links:
[1] http://covertheuninsured.org/content/overview
[2] http://covertheuninsured.org/content/children
[3] http://covertheuninsured.org/content/immigration-status-and-nativity
[4] http://covertheuninsured.org/content/raceethnicity
[5] http://covertheuninsured.org/content/educational-attainment
[6] http://covertheuninsured.org/content/income-and-poverty-status
[7] http://covertheuninsured.org/content/workers
[8] http://covertheuninsured.org/content/quick-facts-uninsured
[9] http://covertheuninsured.org/content/uninsured-myths-and-facts
[10] http://covertheuninsured.org/content/childrens-health-care-coverage