データの定義と出所：マイナンバーカードの普及と利活用に関するダッシュボード｜デジタル庁

This page outlines the definitions and sources of data used in the My Number Card diffusion and utilization dashboard provided by the Digital Agency. It explains key metrics including card ownership numbers and rates, smartphone My Number Card registrations, My Number Insurance Card usage statistics, My Number Driver's License holders, My Portal login counts, and utilization rates for online procedures such as moving registration and convenience store certificate issuance services. The page details calculation methods, monthly aggregation periods, and daily average calculations to ensure data transparency and reliability across various government digitalization initiatives.