Page 49 - NGTK2018

1000 population of that territorial unit (in-migration place).
I
IR =
P
Where:
IR: In-migration rate;
I: Number of in-migrants in the reference period;
P: Population up to the reference time-point. × 1000
Out-migration rate reflects the number out-migrants of a territorial unit in the
reference period on average per 1000 population of that territorial unit.
O
OR = × 1000
P
Where:
OR: Out-migration rate;
O: Number of out-migrants in the reference period;
P: Population up to the reference time-point.
Net-migration rate reflects the status of in-migration and out-migration of
population into/out from a territorial unit in the reference period. It is the difference
between number of in-migrants and number of out-migrants of a territorial unit on
average per 1000 population of that territorial unit.

I - O
NR = × 1000
P
Where:

NR: Net-migration rate;
I: Number of in-migrants in the reference period;
O: Number of out-migrants in the reference period;
P: Population up to the reference time-point.

Or: NR = IR - OR
Where:

NR: Net-migration rate;
IR: In-migration rate;
OR: Out-migration rate.
Data on In-migration rate, Out-migration rate and Net-migration rate of the
whole Country, 06 socio-economic regions and 63 provinces/cities under the Central

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