cff-version: 1.2.0
title: "Myrdal — Demographics, Migration & Population Economics Dataset"
message: "A comprehensive demographic and migration dataset: international population (1 CE-2100), full US county panel, internal migration flows, and dependency ratios."
type: dataset
authors:
  - name: "Arcanum Research"
keywords: [demography, migration, population, fertility, dependency-ratio, census, ACS]
license: "CC-BY-4.0"
version: "1.0.0"
date-released: "2026-07-27"
sources:
  - title: "World Bank World Development Indicators"
    type: dataset
  - title: "Maddison Project Database 2023"
    type: dataset
  - title: "U.S. Census Bureau ACS 5-Year & IDB & PEP"
    type: dataset
  - title: "IRS Statistics of Income Migration Data"
    type: dataset