This document discusses informality in Addis Ababa, Ethiopia. It finds that informality is widespread across employment, services, land, and housing. Most informality is "exclusionary," meaning the poor resort to it due to lack of alternatives. Informal businesses make up 26% of urban employment but have low and decreasing productivity. While some opt for informality voluntarily to reduce costs, most do so exclusively due to poverty and exclusion from formal opportunities. The document argues that formalization will not help the economy since most informality is exclusionary. Instead, formal institutions should work with informal sectors to provide services and infrastructure.