Is All of Africa Below the Tropic of Cancer? No—Here's the Geography

No. The Tropic of Cancer (23.5°N) cuts across the northern third of Africa, meaning a significant portion of the continent lies north of this line—not "below" (south of) it.

African Countries Crossed by the Tropic of Cancer

From west to east:

• Western Sahara (disputed)
• Mauritania
• Mali
• Algeria
• Niger
• Libya
• Chad
• Egypt

What This Means

• North of the line (subtropical/arid): Sahara Desert, Mediterranean coast (Morocco, Algeria, Tunisia, Libya, Egypt), Atlas Mountains. Hot summers, mild winters, very low rainfall.
• South of the line (tropical): Sahel transition zone, then savannas, rainforests (Congo Basin), subtropical highlands (East/Southern Africa). Distinct wet/dry seasons.

Common Confusion

The phrase "below the Tropic of Cancer" is ambiguous—it could mean "south of" (correct for most of Africa) or "at a lower latitude than" (incorrect, since the Equator is at 0°). Most of Africa's landmass and population are south of the Tropic of Cancer, but the northern tier (including Cairo, Tripoli, Timbuktu) lies north of it.

Key takeaway: Africa straddles the Tropic of Cancer. It is not entirely south of it.