Duncan Ransom is the founder and data lead of WellPlaced (wellplaced.live), a livability index that scores 12,000+ cities on 29 metrics — cost of living, safety, healthcare, housing, transport and more — using institutional data from the World Bank, WHO, OECD and UNODC, not crowdsourced opinion. He provides data-backed rankings on the best, safest, and most affordable places to live worldwide.