There is much concern at the substantial vulnerabilities Background: experienced by lesbian, gay, bisexual, transgender and intersex (LGBTI+) youth as a consequence of discrimination, stigmatisation and marginalisation. Recent research highlights the importance of understanding factors that can promote wellbeing for this population. This paper presents a protocol for a scoping review which aims to systematically map and synthesise the extent and nature of the peer-reviewed, published and

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... shed academic literature on the protective factors that promote wellbeing for sexual and gender minority young people. In accordance with the methodological framework for scoping Methods: reviews, the following six stages will be undertaken: (1) identifying the research question, (2) identifying relevant studies, (3) study selection, (4) charting the data, (5) collating, summarising and reporting results and (6) consultation. The PRISMA Extension for Scoping Reviews (PRISMA-ScR): Checklist and Explanation will be used throughout the review process. Key inclusion criteria will use the Population, Concept, Context approach, with two reviewers independently conducting the screening and extraction stages across five databases. Identified protective factors will be collated, summarised and categorised iteratively by one reviewer in consultation with the review team. Stakeholder consultation is a key strength of the scoping review process and will be complemented by the public patient involvement of LGBTI+ young people with expertise by experience. The scoping review has the potential to inform policy, Conclusions: practice and future research through enhanced understandings of the complex interplay of factors that promote wellbeing for sexual minority, gender minority and intersex youth. This first stage of the research process will inform the development of a larger research project. The findings will be disseminated through a peer reviewed publication, a conference presentation and by sharing the findings with key stakeholders, including LGBTI+ young people.