The 2023 GIINsight series offers a comprehensive overview of the impact investing industry, with actionable insights on impact investing activity and impact measurement & management practice. Each report seeks to fill a gap on impact investing insights in the market, reflecting data and perspectives from a diverse sample of 308 impact investors globally who collectively manage USD 371 billion in impact investing assets. These reports also explore trends over time, by offering a five-year comparison among 88 repeat respondents of the 2018 Annual Impact Investor Survey and 2023 GIINsights.