National Income Dynamics Study 2010-2011, Wave 2 Secure Data
South Africa, 2010 - 2011
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Reference ID
zaf-saldru-nidssd-2010-2011-v4.0.0
Producer(s)
Southern Africa Labour and Development Research Unit,
Collections
Created on
Aug 24, 2018
Last modified
Oct 18, 2023
Page views
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b7_y - Date of birth (year) (w2_r_dob_y)
Data file: HouseholdRoster_W2_Secure_V4.0.0
Overview
Valid:
30637
Invalid:
5730
Type:
Discrete
Decimal:
0
loc_start_pos:
64
loc_end_pos:
67
Width:
4
Range:
1906 - 9999
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1906 | 1 |
0%
|
|
| 1907 | 1 |
0%
|
|
| 1908 | 2 |
0%
|
|
| 1910 | 5 |
0%
|
|
| 1912 | 2 |
0%
|
|
| 1914 | 6 |
0%
|
|
| 1915 | 2 |
0%
|
|
| 1916 | 1 |
0%
|
|
| 1917 | 5 |
0%
|
|
| 1918 | 11 |
0%
|
|
| 1919 | 7 |
0%
|
|
| 1920 | 24 |
0.1%
|
|
| 1921 | 10 |
0%
|
|
| 1922 | 15 |
0%
|
|
| 1923 | 17 |
0.1%
|
|
| 1924 | 18 |
0.1%
|
|
| 1925 | 25 |
0.1%
|
|
| 1926 | 30 |
0.1%
|
|
| 1927 | 35 |
0.1%
|
|
| 1928 | 39 |
0.1%
|
|
| 1929 | 38 |
0.1%
|
|
| 1930 | 83 |
0.3%
|
|
| 1931 | 50 |
0.2%
|
|
| 1932 | 65 |
0.2%
|
|
| 1933 | 62 |
0.2%
|
|
| 1934 | 70 |
0.2%
|
|
| 1935 | 69 |
0.2%
|
|
| 1936 | 68 |
0.2%
|
|
| 1937 | 67 |
0.2%
|
|
| 1938 | 98 |
0.3%
|
|
| 1939 | 104 |
0.3%
|
|
| 1940 | 165 |
0.5%
|
|
| 1941 | 86 |
0.3%
|
|
| 1942 | 117 |
0.4%
|
|
| 1943 | 110 |
0.4%
|
|
| 1944 | 129 |
0.4%
|
|
| 1945 | 109 |
0.4%
|
|
| 1946 | 130 |
0.4%
|
|
| 1947 | 152 |
0.5%
|
|
| 1948 | 175 |
0.6%
|
|
| 1949 | 154 |
0.5%
|
|
| 1950 | 205 |
0.7%
|
|
| 1951 | 178 |
0.6%
|
|
| 1952 | 236 |
0.8%
|
|
| 1953 | 221 |
0.7%
|
|
| 1954 | 211 |
0.7%
|
|
| 1955 | 201 |
0.7%
|
|
| 1956 | 263 |
0.9%
|
|
| 1957 | 238 |
0.8%
|
|
| 1958 | 244 |
0.8%
|
|
| 1959 | 229 |
0.7%
|
|
| 1960 | 270 |
0.9%
|
|
| 1961 | 248 |
0.8%
|
|
| 1962 | 287 |
0.9%
|
|
| 1963 | 267 |
0.9%
|
|
| 1964 | 298 |
1%
|
|
| 1965 | 301 |
1%
|
|
| 1966 | 264 |
0.9%
|
|
| 1967 | 265 |
0.9%
|
|
| 1968 | 297 |
1%
|
|
| 1969 | 303 |
1%
|
|
| 1970 | 311 |
1%
|
|
| 1971 | 274 |
0.9%
|
|
| 1972 | 338 |
1.1%
|
|
| 1973 | 325 |
1.1%
|
|
| 1974 | 310 |
1%
|
|
| 1975 | 366 |
1.2%
|
|
| 1976 | 342 |
1.1%
|
|
| 1977 | 309 |
1%
|
|
| 1978 | 329 |
1.1%
|
|
| 1979 | 377 |
1.2%
|
|
| 1980 | 415 |
1.4%
|
|
| 1981 | 393 |
1.3%
|
|
| 1982 | 475 |
1.6%
|
|
| 1983 | 490 |
1.6%
|
|
| 1984 | 482 |
1.6%
|
|
| 1985 | 595 |
1.9%
|
|
| 1986 | 575 |
1.9%
|
|
| 1987 | 566 |
1.8%
|
|
| 1988 | 674 |
2.2%
|
|
| 1989 | 639 |
2.1%
|
|
| 1990 | 724 |
2.4%
|
|
| 1991 | 718 |
2.3%
|
|
| 1992 | 682 |
2.2%
|
|
| 1993 | 708 |
2.3%
|
|
| 1994 | 747 |
2.4%
|
|
| 1995 | 704 |
2.3%
|
|
| 1996 | 732 |
2.4%
|
|
| 1997 | 695 |
2.3%
|
|
| 1998 | 660 |
2.2%
|
|
| 1999 | 708 |
2.3%
|
|
| 2000 | 694 |
2.3%
|
|
| 2001 | 642 |
2.1%
|
|
| 2002 | 632 |
2.1%
|
|
| 2003 | 702 |
2.3%
|
|
| 2004 | 716 |
2.3%
|
|
| 2005 | 744 |
2.4%
|
|
| 2006 | 769 |
2.5%
|
|
| 2007 | 752 |
2.5%
|
|
| 2008 | 734 |
2.4%
|
|
| 2009 | 681 |
2.2%
|
|
| 2010 | 452 |
1.5%
|
|
| 2011 | 26 |
0.1%
|
|
| 3333 | Missing | 17 |
0.1%
|
| 5555 | Not applicable | 0 |
0%
|
| 8888 | Refused | 1 |
0%
|
| 9999 | Don't know | 29 |
0.1%
|
| Sysmiss | 5730 |
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.