There are constant and growing pressures on governments and organizations around the world to be more responsive to demands from internal and external stakeholders for good governance, accountability and transparency, greater development effectiveness and delivery of tangible results. Governments, parliaments, citizens, the private sector, non-governmental organizations (NGOs), civil society, international organizations, and donors are all among stakeholders interested in better performance. As demands for greater accountability and results have grown, there is an accompanying need for useful and useable results-based monitoring and evaluation systems to support the management of policies, programs, and projects. Governments and other organizations have many different kinds of tracking systems as part of their management toolkits: good human resource systems, financial systems, and accountability systems. They also need good feedback systems. A results-based monitoring and evaluation (M&E) system is essentially such a feedback system
it is a management tool to measure and evaluate outcomes, providing information for governance and decision making. Many management systems have been missing a feedback component to enable them to track the consequences of actions. Building an M&E system gives decision-makers an additional management tool by providing feedback on performance as a basis for future improvement.