Protection is a responsibility which comprises many different activities, some of which are not so easily subject to quantitative measurement. This means that whether protection is actually available and what is the quality of protection provided cannot always be illustrated by numbers alone. A qualitative outcome – something not happening, for example – can tell a great deal about the state of protection in a given situation. That said, statistics do provide valuable indicators of protection gaps, illustrate emerging trends and developments over time, and serve as a measure of the impact of our protection activities. Through the collection and analysis of statistical data, notably from our own field operations, UNHCR has an important resource which allows the organisation to set objectives and measure progress in the operationalising of protection. Statistics contribute very directly to our capacity to manage protection delivery through results. Measuring Protection by Numbers is the outcome of a cooperative effort by the Division of International Protection Services (DIPS) and the Division of Operational Services (DOS) to compile global data relevant to core protection functions. Its intention is to illustrate, primarily by numbers, the state of international protection measured through the programmes both of UNHCR and its partners. The information herein has been collected for the most part from UNHCR sources. In some areas, substantiated global data is not fully available. The text is therefore a work-in-progress. UNHCR is in the process of breaking new ground in its management of information, not least through the development of a new results-based management software which will be integrated with technologically advanced protection tools such as proGres for registration, a revised Annual Protection Report format capturing detailed protection information, and a rapidly evolving Standards and Indicators database. It is expected that future versions of Measuring Protection by Numbers will, thereby, be able to capture even more comprehensive and detailed information. Measuring Protection by Numbers is an effort by UNHCR to conceptualise protection from a different perspective. It is a contribution to ensuring our partners and supporters better understand the content of our protection work and how we operationalise protection in different programmes. At the field level, this report should facilitate self-assessment, guide the development of protection strategies and contribute to better planning of our operations. Over time, we envisage that it will also bring major benefits for our global reporting, and for protection advocacy worldwide.