Final answer:
The most demerit points you can accumulate before your license is typically suspended for 30 days is 12 points, although this can vary by jurisdiction.
Step-by-step explanation:
The specific number of demerit points that leads to a license suspension for 30 days can vary by jurisdiction, but on the provided list, the closest typical value used in many places is 12 points. In various regions, acquiring 12 demerit points within a certain time frame (such as 2 years) usually results in a driver's license being suspended. It is crucial to remember that regulations may differ, and the exact threshold for suspension might change according to local traffic laws.