PPI investment in 2021 accounted for US$76.2 billion across 240 projects, representing 0.26% of the GDP of all low- and middle-income countries. This represented an increase in investment commitments compared to the US$51.0 billion raised across 251 projects in 2020, and an indication of larger project ticket sizes in 2021 (240 projects) compared to 2020 (251 projects), as detailed below. Private sector investment commitments increased by 49% from 2020, showing clear signs of recovery. However, the 2021 commitments were still 12% lower than the previous five-year average (2016-2020).