migration.rate {migration.indices}

Aggregate net migration rate

Description

ANMR = 100\frac{ \sum_i |D_i - O_i| }{ \sum_i P_i }

where D_i is the total inflows to zone i and O_i is the total outflows from zone i.

Usage

migration.rate(m, PAR)

Arguments

m

migration matrix

PAR

population at risk

References

• Martin Bell and Salut Muhidin (2009) Cross-National Comparisons of Internal Migration. Research Paper. UNDP. https://hdr.undp.org/content/cross-national-comparisons-internal-migration

Examples

data(migration.world)
migration.rate(migration.world, 6e+9)