What public data sources and assumptions are used for global trait estimates.
No. It’s an educational, curiosity-first calculator that uses probability-style thinking.
It’s a simple global population frame to make comparisons intuitive.
Treat them as estimates and entertainment—real-world distributions are complex.
All trait frequency data on Avortas comes from publicly available, peer-reviewed, and institutional sources. We never fabricate numbers or rely on unverified claims. Here are the primary categories and their sources:
Physical traits (eye color, hair color, height): World Atlas demographic surveys, peer-reviewed studies published in journals like Human Genetics and American Journal of Human Genetics, and national health surveys from individual countries.
Blood type: Red Cross blood donation databases, WHO hematology data, and regional blood bank statistics from 50+ countries.
Population & demographics: United Nations World Population Prospects (2024 revision), World Bank indicators, and national census data.
Wealth & income: Credit Suisse Global Wealth Report, World Bank poverty and income data, Gallup World Poll.
Personality types: MBTI Foundation statistics, academic Big Five personality research, Truity and 16Personalities published frequency data.
Birthday frequency: US Social Security Administration birth data, NHS birth records, and published birth seasonality studies.
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