| Ratios of Use Across Demographic Groups | ||
|---|---|---|
| Lifetime Use | Past Year Use | Past Month Use |
| Ratios of Use Within Demographic Groups | ||
|---|---|---|
| 8th Grade Students | 10th Grade Students | 12th Grade Students |
| Comparison Ratios for Marijuana Use | Comparison Ratios vs Alcohol & Marijuana Use | Use Ratios vs Alcohol Among Young Adults |
Sources: Monitoring the Future
National Survey on Drug Use and Health
| truth: the Anti-drugwar | Anti-drugwar Arsenal | Accept the $1 Challenge |