M Motionworks Population Intelligence
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Popcast validation

The Popcast (Digital Pop) validation suite documents annual head-to-head comparisons of the Motionworks synthetic population against authoritative reference sources — Census, ACS, and other published demographic counts. Each report covers methodology, evaluation cohort, and the per-attribute accuracy bands for that publication year.

This page is wayfinding for bureau, agency, and methodology-lead readers who need to cite or replicate Popcast's accuracy claims. The annual reports themselves are the canonical reference; this Overview points to each release with one sentence on coverage so you can pick the right one without scanning every file.

Digital Pop (US)

Annual US validation, block-group resolution. Each year's report walks the per-attribute deltas between Popcast and the published reference population for that vintage.

  • 2021 Validation — Popcast US accuracy report for the 2021 publication vintage.
  • 2022 Validation — Popcast US accuracy report for the 2022 publication vintage.
  • 2023 Validation — Popcast US accuracy report for the 2023 publication vintage.
  • 2024 Validation — Popcast US accuracy report for the 2024 publication vintage.
  • 2025 Validation — Popcast US accuracy report for the 2025 publication vintage.
  • 2026 Validation — Popcast US accuracy report for the 2026 publication vintage.

Digital Pop (Canada)

Canadian validation reports. Coverage trails the US series; the years below are the available publication vintages today.

  • 2021 Validation — Popcast Canada accuracy report for the 2021 publication vintage.
  • 2022 Validation — Popcast Canada accuracy report for the 2022 publication vintage.