YouTube Multi-Language Audio: 25% Watch Time, 3x Views—Benchmark Data 2026
YouTube multi-language audio ROI: 25%+ watch time from dubbed tracks, 45% view increase with cross-channel strategy. 2026 CPM benchmarks (Australia $39, US $36), 90% cost reduction with AI dubbing. Data-driven playbook from YouTube, AIR Media-Tech, Jamie Oliver, Mark Rober.