Final answer:
A government's official yearly report is known as an annual report, which offers a comprehensive overview of the financial activities and performance of the government.
Step-by-step explanation:
A government's official yearly report is commonly referred to as an annual report. This document provides an overview of the government's financial activities over the past year, which includes budget spending, investments, and financial strategies. For example, the Economic Report of the President is one such report at the federal level in the United States, offering comprehensive data about the nation's economic performance.
Other examples include annual reports for different governmental agencies and organizations, such as the U.S. Department of the Treasury and the World Trade Organization, which respectively publish detailed financial information and statistics about government purchases and international trade activities. State and local governments also have similar reports, often outlined in an annual Census of Governments, which contains data about expenditures, payrolls, and other financial metrics.