Egypt vs Nigeria

Egypt's $765/mo monthly cost (across 2 scored cities); Nigeria has no monthly cost data yet — not enough data to call a winner.

Egypt's 0.8/5 safety score (across 2 scored cities); Nigeria has no safety score data yet — not enough data to call a winner.

Egypt's 1.7/5 mobility score (across 2 scored cities); Nigeria has no mobility score data yet — not enough data to call a winner.

Egypt's 3.1/5 culture score (across 2 scored cities); Nigeria has no culture score data yet — not enough data to call a winner.

Egypt's passport reaches 20 destinations visa-free to Nigeria's 25 — Nigeria 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.

Between the two, Egypt is better connected — 54M passengers/yr vs 13M passengers/yr. Egypt is busier than 58 of 87 countries worldwide; Nigeria is quieter than 54 of 87 countries worldwide. Egypt sees ~55 air passengers per 100 residents a year; Nigeria sees ~7 air passengers per 100 residents a year — a derived figure, not itself ranked.

Egypt runs 3°C to 41°C for most people; Nigeria runs 21°C to 40°C for most people. Katsina runs colder, at 6°C. Depends on you — which range fits your tolerance is the real question here, not a score.