This document estimates the investments needed to achieve zero hunger by 2030. It finds that an average annual investment of $267 billion is required, with $181 billion going to rural areas. This includes $116 billion for social protection programs to immediately assist extremely poor people, and $151 billion for pro-poor investments in agriculture and rural development to stimulate long-term income growth for the poor. Social protection would initially help the poor meet basic food needs, while targeted investments would accelerate rural economic growth and employment to gradually reduce poverty and hunger over time as poor people's incomes rise. A combination of social protection and pro-poor investments is needed to both immediately help the extreme poor while also fostering sustainable escapes from poverty.