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Base population 54000000Adults in the UK
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DateSourceDescriptionNatal sexEstimatePercentagePrevalence per 100000Total number
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2000Interdeparmental Working Group on TranssexualsTranssexualsMaleLow0.00663,240
Medical surveys
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2000Interdeparmental Working Group on TranssexualsTransseualsMaleHigh0.00884,320
Medical surveys
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2000Interdeparmental Working Group on TranssexualsTranssexualsFemale0.0011540
Medical surveys
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2003Department for Constitutional AffairsTranssexuals0.00995,000
HMRC, DVLA and Passport office records
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2009GIRESTranssexuals0.0202010,800
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2011GIRESHave undergone transition0.014147,500
80% were assigned as boys at birth (now trans women) and 20% as girls
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2009GIRESGender varientLow0.600600324,000
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2009GIRESGender varientHigh0.926926500,000
If equal number of females and males
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2009GIRESNumber who have presented for treatment 0.0191910,000
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2009GIRESNumber who may presentLow0.0939350,000
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2009GIRESNumber who may presentHigh0.16716790,000
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2018GovTransLow0.350350189,000
Based on california prevalence
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2018GovTransHigh11000540,000
Based on GIRES
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2016Meta analysisUndergoing treatment0.00929.24,968
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2016Meta analysisSelf identify0.355355191,700
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2019Number of people with a GRC0.010105,623
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2020Number who have had surgery0.00774000
Very rough estimate based on 300/ year
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2011GIRESMay undergo transition0.2200108,000
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2011GIRESHave undergone transition0.015158,100
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2011GIRESHave sought medical care0.0252513,500
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Figures in red are as they were extpressed in the original source
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