Namibia vs Zambia

Namibia has no monthly cost data yet; Zambia has no monthly cost data yet — not enough data to call a winner.

Namibia has no safety score data yet; Zambia has no safety score data yet — not enough data to call a winner.

Namibia has no mobility score data yet; Zambia has no mobility score data yet — not enough data to call a winner.

Namibia has no culture score data yet; Zambia has no culture score data yet — not enough data to call a winner.

Namibia's passport reaches 50 destinations visa-free to Zambia's 42 — Namibia 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.

Namibia has no annual passenger volume data yet; Zambia has no annual passenger volume data yet — not enough data to call a winner.

Namibia runs -2°C to 35°C for most people; Zambia runs 6°C to 35°C for most people. Depends on you — which range fits your tolerance is the real question here, not a score.