Particular challenges face some people within internally displaced populations, including older persons, persons with disabilities, unaccompanied minors, or members of the lesbian, gay, bisexual or transgender community. Women are made particularly vulnerable by displacement, including to sexual or gender-based violence and other human rights violations, and consequently require specific protection measures. A key protection element is disaggregated data to provide an evidence base to build a profile of internally displaced persons and assess their needs according to their circumstances. Such data is often lacking and this gap reinforces the significance of the work carried out by bodies such as the Joint Internally Displaced Person Profiling Service (JIPS; see www.jips.org/en/home).