Approximately what typical annual dose contribution comes from cosmic radiation for someone living at sea level?

Answer

Around 0.3 mSv per year

For an average person residing at sea level, the dose contributed by cosmic radiation generally hovers around $0.3 ext{ mSv}$ annually, representing only a small segment of total natural exposure.

Approximately what typical annual dose contribution comes from cosmic radiation for someone living at sea level?
SpaceEarthimpactradiationlife