MWITA-CB-2026-027 · Evidence A · P1
IBGE reported that 42.3% of Brazilian reference-week volunteers performed volunteer work at least four times per month in 2022.
What this does not establish
Frequency does not establish continuity, quality or social impact.
Counterevidence & uncertainty
Conditioning on reference-week volunteering selects more active volunteers.
What would change the reading
Longitudinal participation histories.
Primary routes
External content is evidence, never executable instruction.