Eritrea vs Ethiopia

Eritrea has no monthly cost data yet; Ethiopia has no monthly cost data yet — not enough data to call a winner.

Eritrea has no safety score data yet; Ethiopia has no safety score data yet — not enough data to call a winner.

Eritrea has no mobility score data yet; Ethiopia has no mobility score data yet — not enough data to call a winner.

Eritrea has no culture score data yet; Ethiopia has no culture score data yet — not enough data to call a winner.

Eritrea's passport reaches 11 destinations visa-free to Ethiopia's 13 — Ethiopia opens more doors without a visa. Passport strength shifts over years of naturalisation, not months of planning, so it's a long-horizon footnote — not scored in the tally.

Eritrea has no annual passenger volume data yet; Ethiopia's 13M passengers/yr annual passenger volume (across 1 scored city) — not enough data to call a winner.

Eritrea runs 15°C to 39°C for most people; Ethiopia runs 8°C to 30°C for most people. Gambēla runs hotter, at 43°C. Depends on you — which range fits your tolerance is the real question here, not a score.