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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b1_y - Date of birth(year) (w2_a_dob_y)
Data file: Adult_W2_Secure_V4.0.0
Overview
Valid:
17626
Invalid:
4248
Type:
Discrete
Decimal:
0
loc_start_pos:
43
loc_end_pos:
46
Width:
4
Range:
1906 - 9999
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1906 | 1 |
0%
|
|
| 1907 | 1 |
0%
|
|
| 1908 | 1 |
0%
|
|
| 1910 | 3 |
0%
|
|
| 1912 | 2 |
0%
|
|
| 1914 | 3 |
0%
|
|
| 1915 | 2 |
0%
|
|
| 1916 | 1 |
0%
|
|
| 1917 | 5 |
0%
|
|
| 1918 | 8 |
0%
|
|
| 1919 | 7 |
0%
|
|
| 1920 | 23 |
0.1%
|
|
| 1921 | 6 |
0%
|
|
| 1922 | 8 |
0%
|
|
| 1923 | 15 |
0.1%
|
|
| 1924 | 15 |
0.1%
|
|
| 1925 | 24 |
0.1%
|
|
| 1926 | 27 |
0.2%
|
|
| 1927 | 30 |
0.2%
|
|
| 1928 | 34 |
0.2%
|
|
| 1929 | 34 |
0.2%
|
|
| 1930 | 76 |
0.4%
|
|
| 1931 | 46 |
0.3%
|
|
| 1932 | 61 |
0.3%
|
|
| 1933 | 56 |
0.3%
|
|
| 1934 | 65 |
0.4%
|
|
| 1935 | 64 |
0.4%
|
|
| 1936 | 63 |
0.4%
|
|
| 1937 | 59 |
0.3%
|
|
| 1938 | 90 |
0.5%
|
|
| 1939 | 99 |
0.6%
|
|
| 1940 | 155 |
0.9%
|
|
| 1941 | 81 |
0.5%
|
|
| 1942 | 110 |
0.6%
|
|
| 1943 | 104 |
0.6%
|
|
| 1944 | 119 |
0.7%
|
|
| 1945 | 99 |
0.6%
|
|
| 1946 | 117 |
0.7%
|
|
| 1947 | 145 |
0.8%
|
|
| 1948 | 161 |
0.9%
|
|
| 1949 | 142 |
0.8%
|
|
| 1950 | 188 |
1.1%
|
|
| 1951 | 166 |
0.9%
|
|
| 1952 | 212 |
1.2%
|
|
| 1953 | 203 |
1.2%
|
|
| 1954 | 192 |
1.1%
|
|
| 1955 | 189 |
1.1%
|
|
| 1956 | 245 |
1.4%
|
|
| 1957 | 215 |
1.2%
|
|
| 1958 | 223 |
1.3%
|
|
| 1959 | 209 |
1.2%
|
|
| 1960 | 245 |
1.4%
|
|
| 1961 | 223 |
1.3%
|
|
| 1962 | 256 |
1.5%
|
|
| 1963 | 233 |
1.3%
|
|
| 1964 | 272 |
1.5%
|
|
| 1965 | 268 |
1.5%
|
|
| 1966 | 238 |
1.4%
|
|
| 1967 | 246 |
1.4%
|
|
| 1968 | 267 |
1.5%
|
|
| 1969 | 265 |
1.5%
|
|
| 1970 | 285 |
1.6%
|
|
| 1971 | 250 |
1.4%
|
|
| 1972 | 288 |
1.6%
|
|
| 1973 | 287 |
1.6%
|
|
| 1974 | 276 |
1.6%
|
|
| 1975 | 325 |
1.8%
|
|
| 1976 | 296 |
1.7%
|
|
| 1977 | 268 |
1.5%
|
|
| 1978 | 289 |
1.6%
|
|
| 1979 | 330 |
1.9%
|
|
| 1980 | 352 |
2%
|
|
| 1981 | 325 |
1.8%
|
|
| 1982 | 391 |
2.2%
|
|
| 1983 | 393 |
2.2%
|
|
| 1984 | 403 |
2.3%
|
|
| 1985 | 488 |
2.8%
|
|
| 1986 | 467 |
2.6%
|
|
| 1987 | 489 |
2.8%
|
|
| 1988 | 556 |
3.2%
|
|
| 1989 | 528 |
3%
|
|
| 1990 | 597 |
3.4%
|
|
| 1991 | 608 |
3.4%
|
|
| 1992 | 594 |
3.4%
|
|
| 1993 | 627 |
3.6%
|
|
| 1994 | 674 |
3.8%
|
|
| 1995 | 476 |
2.7%
|
|
| 1996 | 34 |
0.2%
|
|
| 1997 | 1 |
0%
|
|
| 1998 | 1 |
0%
|
|
| 2222 | 2222. Not asked in Phase 2 | 0 |
0%
|
| 3333 | 3333. Missing | 1 |
0%
|
| 5555 | 5555. Not Applicable | 0 |
0%
|
| 8888 | 8888. Refused | 9 |
0.1%
|
| 9999 | 9999. Don't know | 1 |
0%
|
| Sysmiss | 4248 |
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.