This deployment proves digital health engagement works for older adults. Participants aged 70+ showed 42% engagement rates—nearly double the 20-something demographic. Ages 60-69 maintained 36% engagement, demonstrating sustained adoption in Medicare-equivalent populations.
3.6M users represents 6% of Singapore's population—equivalent to serving 20 million Americans or 36% of all Medicare beneficiaries. This isn't a pilot. It's production infrastructure.
Ministry of Health deployment required rigorous validation: 18-month longitudinal study, 376,668 participants, econometric analysis of cost savings, peer-reviewed publication of methodology and results.