This document discusses the need for foresight and outlines Japan's approach to foresight design. It notes that Japan faces an aging population and foresight is needed for rational policymaking. It describes Japan's national foresight activities since the 1970s including the use of Delphi surveys and scenarios. The 10th foresight survey involved web surveys of over 5,000 experts across different fields. Foresight helps develop data and evidence for policy studies and evaluation. It also improves public accountability of the policy process.