Namibia vs South Africa

Namibia has no monthly cost data yet; South Africa's $1,294/mo monthly cost (across 4 scored cities) — not enough data to call a winner.

Namibia has no safety score data yet; South Africa's 0.8/5 safety score (across 4 scored cities) — not enough data to call a winner.

Namibia has no mobility score data yet; South Africa's 2.1/5 mobility score (across 4 scored cities) — not enough data to call a winner.

Namibia has no culture score data yet; South Africa's 3.4/5 culture score (across 4 scored cities) — not enough data to call a winner.

Namibia's passport reaches 50 destinations visa-free to South Africa's 65 — South Africa 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; South Africa's 38M passengers/yr annual passenger volume (across 5 scored cities) — not enough data to call a winner.

Namibia runs -2°C to 35°C for most people; South Africa runs -2°C to 33°C for most people. Depends on you — which range fits your tolerance is the real question here, not a score.