1. Some measurements of the quality of the Hungarian IPUMSI samples
5% samples from the 1970, 1980, 1990 and 2001 population and housing census
(Gábor Rózsa. retired deputy head of the Population Census Dept.
of the Hungarian Central Statistical Office)

2. Sections of the presentation
“the father”: the series of quality checks for Hungarian population and housing censuses censuses ( )
“the mother”: the selection of the Hungarian IPUMS International samples in
“inventory” and tabulated values of quality indicators calculated for the samples

3. Example from the PES (post-enumeration survey) for the reliability check of the 1980 Hungarian census

4. Variables in the harmonization tables
Dwellings: type (occupied conventional, vacant, non conventional), ownership, right for using, year of construction, water supply, WC, sewage, gas supply, kitchen(s), bathroom(s), level of comfort, location, type of heating, hot water Persons: marital status, type of family, family status, highest education, tenure status, mother tongue, economic activity, economic activity, status in employment, staff group (non manual or manual, skilled-unskilled), commuting

5. Calculation of errors for the 1970 Hungarian sample/1
Population by 5-year age groups
Estimate
Census value
Absolute difference (Estimate-Census)
Sampling error (at 95% prob. level)
Relative difference
Relative sampling Error
0-4 years of age
706220
701431
4789.0
6906.8
0.0068
0.0098
5-9
647340
648452
1112.0
6659.1
0.0017
0.0103
10-14
821760
823671
1911.0
7436.7
0.0023
0.0091
15-19
917600
914443
3157.0
7798.1
0.0035
0.0085
20-24
774760
774196
564.0
7228.7
0.0007
0.0093
25-29
737180
737833
653.0
7070.3
0.0009
0.0096
30-34
670760
670228
532.0
6762.4
0.0008
0.0101
35-39
713060
711451
1609.0
6952.3
40-44
734640
735977
1337.0
7062.1
0.0018
45-49
728960
730563
1603.0
7038.1
0.0022
0.0097
50-54
426500
430303
3803.0
5485.5
0.0088
0.0129
55-59
669600
665292
4308.0
6739.2
0.0065
60-64
573280
574908
1628.0
6294.0
0.0028
0.0110
65-69
472280
474959
2679.0
5750.1
0.0056
0.0122
70-74
348500
348633
133.0
4958.0
0.0004
0.0142
75-79
207420
204528
2892.0
3824.9
0.0141
0.0184
80-84
104320
106189
1869.0
2769.4
0.0176
0.0266
85-x
48380
47939
441.0
1866.1
0.0092
0.0386

6. Calculation of errors for the 1970 Hungarian sample/2
Estimate
Census value
Absolute diff.
Sampl. error
Relative diff.
Relative sampl.err
Activity status
active earn.
1966.0
0.0004
0.0028
inactive earn.
1220.0
9379.4
0.0009
0.0067
dependent
4750.0
0.0012
0.0034
Highest educational attainment completed of persons aged 7 and older
less than 8 grades
2459.0
0.0005
0.0026
8+. but no second.
8615.0
0.0040
Secondary final exam.
879860
877600
2260.0
7620.2
0.0087
Third-level education
294500
294550
50.0
4564.1
0.0002
0.0155

7. Calculation of errors for the 1980 Hungarian sample/1
Activity status
Estimate
Census Value
Absolute diff.
Sampl. error (95 % prob. level)
Relat.
diff.
Rel. sampl. error
Distrib. sample
Distrib. census ‘80
Active earner
3180.0
0.0006
0.0028
47.3
Inactive earn.
2797.0
0.0013
0.0051
20.5
20.6
Dependent
0.0030
0.0038
32.1
32.0
Seeking first job
9700
9757
57.0
843.1
0.0058
0.0869
0.1

8. Calculation of errors for the 1980 Hungarian sample/2
Type of house-hold
Estimate
Census Value
Absolute diff.
Sampl. error (95 % prob. level)
Relat.
diff.
Rel. sampl. error
Distrib. sample
Distrib. census ‘80
Couple family househ.
3097.0
7871.6
0.0013
0.0033
64.5
64.7
Lone parent with child househ.
297040
299958
2918.0
4483.8
0.0097
0.0151
8.0
8.1
Multifamily househ.
159840
158756
1084.0
3328.7
0.0068
0.0208
4.3
One-person househ.
739100
730741
8359.0
6542.8
0.0114
0.0089
19.8
19.6
Other househ.
125620
124917
703.0
2966.7
0.0056
0.0236
3.4

9. Calculation of errors for the 1990 Hungarian sample/1
Economic activity
Estimate
Census Value
Abs. diff.
Sampl. error (95 % prob. level)
Relat. diff.
Relat. sampl. err.
Distr. sample
Distr. cens.
Active earner
1683.0
0.0004
0.0030
43.7
43.6
Unempl. seeking job
110680
113051
2371.0
2858.4
0.0210
0.0258
1.1
Seeking first job
14240
13176
1064.0
980.6
0.0808
0.0689
0.1
Inactive earner
6075.0
0.0023
0.0045
25.6
Dependent
4824.0
0.0016
0.0042
29.5

10. Calculation of errors for the 1990 Hungarian sample/2
Period of construction
Estimate
Census
Abs. diff.
Sampl. err.
Rel. diff.
Rel. sampl. err.
Distr. sample
Distr. cens.
Constr. before 1899
364940
361045
3895.0
4886.0
0.0108
0.0134
9.5
9.4
323160
322348
812.0
4642.2
0.0025
0.0144
8.4
562440
566925
4485.0
5939.4
0.0079
0.0106
14.6
14.7
456000
454995
1005.0
5410.7
0.0022
0.0119
11.8
582200
584717
2517.0
6015.5
0.0043
0.0103
15.1
15.2
878880
877864
1016.0
7032.5
0.0012
0.0080
22.8
687320
685394
1926.0
6411.7
0.0028
0.0093
17.8

11. Calculation of errors for the 2001 Hungarian sample/1
Distribution ’01 by FAMILY STATUS
5% sample
Full count
husband. wife
41.67
41.71
consensual (cohabiting) partner
5.42
5.35
father, mother
5.19
5.21
child
31.50
31.52
any other relative, non-relative
3.84
3.87
person living alone
12.38
12.35
Distribution ’01 by TENURE STATUS
owner or his/her relative
89.19
89.22
(main) tenant or his/her relative, user of service dwelling
6.76
6.74
Subtenant, bedtenant, night-lodger, other tenure
1.57
1.56
person living in institution, homeless (with no home address)
2.48
2.49

12. Calculation of errors for the 2001 Hungarian sample/2
Distribution ’01 by SEX
5% sample
Full count
Male
47.55
47.56
Female
52.45
52.44
Distribution ’01 by AGE
0-4
4.82
4.79
5-9
5.72
5.70
10-14
6.08
6.11
15-19
6.56
20-24
7.99
7.92
25-29
7.77
7.72
30-34
6.85
6.87
35-39
5.96
5.97

13. Calculation of errors for the 2001 Hungarian sample/3
Distribution ’01 by AGE (contd.)
5% sample
Full count 40
1.32
1.30 41
1.29 42
1.35 43
1.38
1.41 44
1.60
1.59
40-44
6.94

14. Calculation of errors for the 2001 Hungarian sample/4
Distribution ’01 by age (contd)
5% sample
Full count
45-49
8.00
8.09
50-54
6.94
6.91
55-59
5.97
5.99
60-64
5.23
5.26
65-69
4.78
4.81
70-74
4.28
4.29
75-79
3.29
3.32
80-84
1.51
1.52
85-X
1.25
1.24

15. Calculation of errors for the 2001 Hungarian sample/5
Distribution ’01 by MARITAL STATUS
5% sample
Full count
single (never married)
39.33
39.26
married, living together with spouse
42.28
42.34
married, not living together with spouse
1.25
1.26
widowed
9.74
9.71
divorced
7.40
7.43
Distribution ’01 by RELATION TO HEAD OF FAMILY
head of family
28.17
28.16
spouse of the head of family
20.84
20.85
cohabiting partner of the head of family
2.71
2.67
other family member
48.29
48.31
Calculation of errors for the 2001 Hungarian sample/5

16. Calculation of errors for the 2001 Hungarian sample/6
Distribution ’01 by HEAD OF HOUSEHOLD
5% sample
Full count
other household member
62.12
head of household
37.88
Distribution ’01 by NUMBER OF LIVEBORN CHILDREN (OF WOMEN 14+)
42.30
42.22 1
17.19
17.32 2
28.07
28.00 3
8.59 4
2.30 5
0.80
0.81 6
0.35
0.36
7 or more
0.38
0.39

17. Calculation of errors for the 2001 Hungarian sample/7
Distribution ’01 by
EDUCATIONAL ATTAINMENT (ISCED-97)
5% sample
Full count
3 grades of general (primary) school or less
12.83
12.82
4-7 grades of general school
12.70
12.76
first cycle of secondary school
28.54
28.55
second-level apprentice or vocational school
15.46
15.51
second cycle of secondary school
21.31
21.21
third-level education
9.15
9.16

18. Calculation of errors for the 2001 Hungarian sample/8
Distribution ’01 by ECONOMIC ACTIVITY
5% sample
Full count
in employment with or without other source of livelihood)
36.22
36.19
unemployed (incl. those with different sources of livelihood)
4.07
4.08
pers. receiving childcare fee. benefit or allow.
2.93
2.88
pensioner
27.07
27.14
other inactive earner
2.42
2.39
dependent supported by an institution
1.24
1.25
dependent supported by a private person
26.06
26.07

19. Calculation of errors for the 2001 Hungarian sample/9
Distribution ’01 by STATUS IN EMPLOYMENT
5% sample
Full count
employee
30.24
30.22
private (own-account) entrepreneur with or without employee
3.76
3.74
working member of partnership
1.57
1.56
member of cooperative
0.28
unpaid helping family worker
0.11
0.10
occasional worker. day labourer
0.26
0.27
worker of public utility
0.01
Not in employment
63.77
63.81

20. Calculation of errors for the 2001 Hungarian sample/10
Distribution ’01 by INDUSTRY (NACE Rev.1) 5%
sample
Full
count
Agriculture, hunting, forestry. fishing
2.00
1.99
Mining, quarrying, manufacturing
8.87
8.90
Electricity, gas, water supply, construction
2.74
2.70
Wholesale and retail trade; repair…. hotels and restaurants
6.38
6.43
Transport, storage and communication, financial intermed.
3.53
3.51
Real est., rent. and busin. act., public admin. and defence, compulsory social security
5.50
5.49
Education, health and social work
5.44
5.41
Other comm., social and personal services activities, private households with empl., extra-terr. org.
1.49
1.48
Not in employment
63.77
63.81

21. Calculation of errors for the 2001 Hungarian sample/11
Distribution '01 by WATER SUPPLY
5% sample
Full count
from community network
within dwelling
86.67
outside dwelling. but within building
0.87
0.85
on the ground-plot of the building
3.77
3.79
outside the ground-plot of the building
1.37
from domestic water system. within dwelling
2.32
2.33
other:
from the well on the ground-plot
3.30
3.25
from other place
1.70
1.74

22. Calculation of errors for the 2001 Hungarian sample/12
Distribution '01 by GAS
5 % sample
Full count
none
11.27
11.25
network (piped) gas
65.21
65.14
from container
0.63
cylinder (bottle) gas
22.89
22.98
Distribution '01 by HEATING
no heating facility
2.76
2.81
district (block, thermic water) heat.
15.36
15.39
central boiler for several dwellings
3.01
3.00
central boiler for one dwelling
31.96
31.91
individual (separate) heating of places
46.90

23. Calculation of errors for the 2001 Hungarian sample/13
Distribution '01 by existence of WC (flush toilet)
5 % sample
Full count
none
15.12
15.07
yes:
within dwelling, in separate place
52.46
52.67
in another place of the dwelling
30.95
30.80
outside dwelling
1.47
1.46
Distribution '01 by existence of SEWAGE
10.27
into community scheme
53.78
53.84
into domestic system:
closed sewage tank
22.65
22.72
dessicator (drain tank)
12.91
12.79
other
0.39
0.38

24. Calculation of errors for the 2001 Hungarian sample/14
Distribution '01 by LEVEL OF COMFORT
5 % sample
Full count
with all modern conveniences
47.34
47.27
with principal conveniences
30.26
30.28
half-comfort (part of conveniences)
5.02
without comfort
11.41
11.42
emergency or other accommodation. occupied housing unit
5.98
6.01
Calculation of errors for the 2001 Hungarian sample/14