Globally, sustainable exchange-traded fund (ETF) assets hit $150 billion last year, vaulting 25 times higher than in 2015. Yet despite this growth, sustainable ETFs—baskets of investments that focus on environmental, social and governance issues—account for roughly 5% of the entire ETF universe. What makes up this rapidly growing market? Where are the most common areas for investment? To answer this question, this infographic from MSCI breaks down the sustainable ETF universe.