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Table 2 Ethnoracial psychedelic studies’ makeup compared to country-level demographics

From: Inclusion of people of color in psychedelic-assisted psychotherapy: a review of the literature

Country # Studies Study Year (s)2 Psychedelic Study Enrollment3 % Non-White Per Country5 Country-Level Demographics6
% White % POC4 Avg % White % POC4 Year7
Brazil 1 2017 58.6% 41.4% 24.0% 49.0% 53.5% 2010
Canada 1 2013 0.0% 100.0% 24.0% 76.7% 27.7% 2011
Mexico 1 2017 90.0% 10.0% 6.0% 10.0% 90.0% 2010
New Zealand 1 2016 100.0% 0.0% 0.0% 70.0% 34.9% 2013
Spain 1 2008 100.0% 0.0% 0.0% 89.0% 7.9% 2011
Switzerland 2 2013, 2014 92.0% 8.0% 4.0% N/A N/A
UK 2 2016, 2018 75.0% 25.0% 10.0% 86.0% 14.0% 2011
USA 7 2006–2016 89.0% 11.0% 32.0% 76.9% 39.6% 2016
Total/Weighted Avg/Avg1 16 81.6% 18.4% 12.5% 65.4% 38.2%
  1. Notes
  2. 1. Study enrollment averages are weighted by the number of studies by country. Country-level averages are not weighted
  3. 2. Reflect range of year (s) of study publications for each country
  4. 3. Reflects the total % of study participants (white or participants of color) across all studies from each country
  5. 4. People of Color
  6. 5. Reflects number of participants of color from each country as a percentage of total participants of color across all countries
  7. 6. Country-level demographics were compiled for each country separately from census data as reported by the statistics division (census data) of each country. Data are not available for Switzerland, as the country only reports data on nationality and not ethnicity.
  8. 7. For each country, reflects census data for percentage of white citizen and people of color. For Mexico, White reflects those solely of European descent; Mestizos (mixed ancestry) are included in the POC column
  9. 8. Reflects the publication year of each census data source; Brazil 2010 Population Census (Instituto Brasileiro de Geograpfia e Estatistica) 2011 National Household Survey (Statistics Canada), 2015 Mexico Census (Instituto Nacional de Estadistica y Geografia), New Zealand Census of Population and Dwellings (Stats New Zealand), 2011 Population and Housing Census (Instituto Nacionalde Estadistica), United Kingdom 2011 Census (Office of National Statistics), Bureau), 2016 Census (United States Census).