Total number of people living in a country other than the one in which they were born (international migrant stock), worldwide, at mid-year. This is the primary stock measure of global migration and includes refugees.
How to read it
The normal line moves over time; readings above it are better than normal, below it worse.
This indicator’s slice of Factrail’s verified causal web — the people, facts, drivers and welfare indicators it connects to. Select any node to trace a path.
By the Factrail desk · Method: how we source and score · Last reviewed
Measured value over time. The line runs green while the indicator is better than its dashed normal line and red when it’s worse.
Each driver linked to this indicator, strongest pull first, on the same timeline above. Markers are the facts that moved that driver. These are modelled influences — treat them as correlational unless a documented causal edge is shown.
Ageing-driven labour shortages create a structural pull that, via labour-immigration reforms, raises the international migrant stock over time.
Population Ageing: raises welfare, impact strength 60%, 0 linked facts on the timeline.Restrictive border and asylum policies dampen irregular and asylum flows, exerting downward pressure on migrant-stock growth (partly offsetting the ageing-driven pull).
Migration Policy Restrictiveness: lowers welfare, impact strength 40%, 0 linked facts on the timeline.