We have undertaken a new analysis that extends the earlier work by estimating the effects of investment on RMNCH across the continuum of care, including family planning, stillbirths, and newborn health (which have not always been included in previous studies). It also extends the timeframe to 2035 (this end date was chosen to align our analysis with the The Lancet Commission on Investing in Health) and analyses the economic and social returns on investment. The findings of this analysis will contribute to broader policy dialogue on effective health investments, including by being an input to The Lancet Commission on Investing in Health, which is expected to publish its report in December, 2013.