Test development and use have been described as the flagship of applied psychology. This article discusses the status of test development and use internationally. Country and regional differences in test development and use exist and are explained considering the qualities needed to support test development and use. The relevance of tests, like other technologies, should change in light of changing needs of those who rely on test data. Some prominent changes to which tests should respond are reviewed. Several conditions that are external to and internal within psychology that impact test development and use are reviewed. These and other issues impact test development and use in Peru.