Identifying couples in administrative data

Journal for Labour Market Research

Table 1 Distribution of the Number of Individuals at the Same Coordinate

Number of individuals at coordinate	Total number of individuals	Number of individuals with matched names	Percent matched (%)
1	4,956,761	–	–
2	7,443,038	5,082,600	68.29
3	4,911,162	1,024,758	20.87
4	3,061,944	651,742	21.29
5	1,998,695	473,896	23.71
6	1,589,814	396,944	24.97
7	1,345,134	347,244	25.81
8	1,154,712	305,390	26.45
9	971,325	259,734	26.74
10	807,360	219,600	27.20
11	673,090	182,466	27.11
12	548,928	147,280	26.83
13	451,828	120,658	26.70
14	366,646	96,724	26.38
15	304,245	79,844	26.24
16	254,032	66,272	26.09
17	209,984	53,700	25.57
18	177,840	45,022	25.32
19	151,734	37,638	24.81
20	131,940	32,064	24.30
>20	1,540,207	372,596	24.19
Total	33,050,419	9,996,172	30.25

Second column includes all geocoded data as of June 30th 2008. Third column includes all individuals with geocoded location for whom we were able to match according to our name-matching algorithm, described in the text