JOIN is a Japanese government fund that invests $1.2 billion in overseas infrastructure projects to support Japanese companies expanding abroad. It has invested in 26 projects across 14 countries totaling $119.8 billion. JOIN works closely with the Japanese Ministry of Land, Infrastructure, Transport and Tourism to further government strategies of increasing overseas infrastructure investment and business opportunities for Japanese companies. JOIN focuses on sectors like railways, roads, ports, and urban development, and partners with foreign organizations to identify and develop new project opportunities.