The Human Development Report (HDR) by the United Nations Development Programme (UNDP) is an annual publication that provides a comprehensive analysis of global human development. It assesses various aspects of human development, including factors like income, education, healthcare, gender equality, and more, in countries all around the world.

The HDR aims to provide valuable insights and data to policymakers, governments, and the international community to understand and address the challenges and opportunities related to human development. It helps to monitor progress, identify disparities, and suggest policy recommendations for improving the overall well-being of people.

Due to its annual publication, the HDR serves as an important reference and tool for tracking trends and making informed decisions on global and national development policies. It's a valuable resource for understanding the state of human development and how it evolves over time.