Mauritania vs Senegal

Mauritania has no monthly cost data yet; Senegal has no monthly cost data yet — not enough data to call a winner.

Mauritania has no safety score data yet; Senegal has no safety score data yet — not enough data to call a winner.

Mauritania has no mobility score data yet; Senegal has no mobility score data yet — not enough data to call a winner.

Mauritania has no culture score data yet; Senegal has no culture score data yet — not enough data to call a winner.

Mauritania's passport reaches 26 destinations visa-free to Senegal's 33 — Senegal 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.

Mauritania has no annual passenger volume data yet; Senegal's 2.9M passengers/yr annual passenger volume (across 1 scored city) — not enough data to call a winner.

Mauritania runs 6°C to 44°C for most people; Senegal runs 11°C to 37°C for most people. Matam runs hotter, at 48°C. Depends on you — which range fits your tolerance is the real question here, not a score.