Gender and Adolescence: Global Evidence (GAGE) is a ten-year (2015-2025) research programme, funded by UK Aid from the UK Foreign, Commonwealth and Development Office (FCDO), that seeks to combine longitudinal data collection and a mixed-methods approach to understand the lives of adolescents in particularly marginalized regions of the Global South, and to uncover 'what works' to support the development of their capabilities over the course of the second decade of life, when many of these individuals will go through key transitions such as finishing their education, starting to work, getting married and starting to have children.GAGE undertakes longitudinal research in seven countries in Africa (Ethiopia, Rwanda), Asia (Bangladesh, Nepal) and the Middle East (Jordan, Lebanon, Palestine). Sampling adolescent girls and boys aged between 10‐19‐year olds, the quantitative survey follows a global total of 18,000 adolescent girls and boys, and their caregivers and explores the effects that programme have on their lives. This is substantiated by in‐depth qualitative and participatory research with adolescents and their peers. Its policy and legal analysis work stream studies the processes of policy change that influence the investment in and effectiveness of adolescent programming.Further information, including publications, can be found on the Overseas Development Institute GAGE website.  SN 9344 - Gender and Adolescence: Global Evidence: Jordan UNICEF Cash Plus Baseline, 2021-2022In Jordan, GAGE initially recruited a sample of 4,095 adolescent girls and boys in two separate cohorts (younger adolescents aged 10-12 years and older adolescents age 15-17 years) during 2018 and 2019. This sample includes Syrian refugees living in refugee camps, informal tented settlements (ITS) and host communities, as well as Palestinian refugees living in refugee camps and host communities, vulnerable Jordanian adolescents living in communities hosting refugees, and a small group of adolescents of other nationalities living in Jordan. In collaboration with UNICEF, a new sample of 1,681 adolescents ages 10-18 years were recruited in 2021 as part of an evaluation of new UNICEF programming consisting of providing tablets (Treatment A) or tablets and cash (Treatment B) to existing participants in Makani, a type of youth centre. The sample includes Jordanians and Syrians at 19 Treatment A Makani centres and at 13 Treatment B centres. The Baseline UNICEF sample was followed-up in 2022-2023. This study contains Baseline individual-level data collected in 2018-2019. The Endline survey data is available from SN 9445. Youth; adolescence; gender; longitudinal impact evaluation of youth programming.