Table 2: The total number of research-persons by the phase of collecting and entry for the Netherlands

See also the numbers for the main regions, or go back to the state of affairs.

Netherlands 1863-1882 1883-1922 Total birth period 1863-1922

N % of total N % of total 1 Sept 2006 1 Jan 2005 1 Sept 2004
N %

Total number of research-persons 16499
25324
41823



1. Data-collection 1: persons followed in region of birth 16499 100 25324 100 41823 100 86,7 80.0
2. Data-collection 2: a.o. migration trajectories 15500 93.3 25125 99.2 40625 97.1 75.6 68.7
3. Data entry 10600 64.2 19500 77 30100 72 31.2 23.1
4. Checking of data entry 6735 40.8 15402 60.8 22137 52.9 13.7 12.5
5. Finished: number of marriage-certificates 6040 a50.9 6901 b 15641 c47.4 38.7 33.8
6. Finished: Life courses (population register) 2460 14.9 4800 >19 7260 17.4 11.0 9.2


Explanation: the numbers of phase 3, 4 and 6 are estimations and not exact counts.
a Calculation was based on the total amount of 11,999 expected marriage-certificates.
b Calculation was based on the total amount of 20,961 expected marriage-certificates.
c Calculation was based on the total amount of 32,960 expected marriage-certificates.