The document discusses the history and principles of social security. It notes that while social security is a recognized human right, 80% of the world's population lacks access to social protection programs. The International Labour Organization (ILO) has worked since its founding in 1919 to extend social security worldwide. Key ILO conventions and recommendations established modern concepts of social security, moving beyond just insurance programs. The document outlines the principles and approaches of social security, as well as the major ILO conventions related to social protection.