National Income Dynamics Study 2017, Wave 5 Secure Data
South Africa, 2017
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Reference ID
zaf-saldru-nidssd-2017-v1.0.0
Producer(s)
Southern Africa Labour and Development Research Unit,
Collections
Created on
Aug 28, 2018
Last modified
Aug 29, 2018
Page views
421447
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b1_y - Date of birth (year) (w5_a_dob_y)
Data file: adult_w5_secure_v1.0.0
Overview
Valid:
23892
Invalid:
6218
Type:
Discrete
Decimal:
0
loc_start_pos:
44
loc_end_pos:
47
Width:
4
Range:
1907 - 9999
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1907 | 1 |
0%
|
|
| 1917 | 1 |
0%
|
|
| 1918 | 3 |
0%
|
|
| 1919 | 2 |
0%
|
|
| 1920 | 5 |
0%
|
|
| 1921 | 3 |
0%
|
|
| 1922 | 3 |
0%
|
|
| 1923 | 2 |
0%
|
|
| 1924 | 8 |
0%
|
|
| 1925 | 9 |
0%
|
|
| 1926 | 13 |
0.1%
|
|
| 1927 | 11 |
0%
|
|
| 1928 | 14 |
0.1%
|
|
| 1929 | 10 |
0%
|
|
| 1930 | 50 |
0.2%
|
|
| 1931 | 18 |
0.1%
|
|
| 1932 | 30 |
0.1%
|
|
| 1933 | 33 |
0.1%
|
|
| 1934 | 39 |
0.2%
|
|
| 1935 | 53 |
0.2%
|
|
| 1936 | 43 |
0.2%
|
|
| 1937 | 44 |
0.2%
|
|
| 1938 | 73 |
0.3%
|
|
| 1939 | 84 |
0.4%
|
|
| 1940 | 128 |
0.5%
|
|
| 1941 | 87 |
0.4%
|
|
| 1942 | 101 |
0.4%
|
|
| 1943 | 88 |
0.4%
|
|
| 1944 | 106 |
0.4%
|
|
| 1945 | 109 |
0.5%
|
|
| 1946 | 127 |
0.5%
|
|
| 1947 | 144 |
0.6%
|
|
| 1948 | 163 |
0.7%
|
|
| 1949 | 163 |
0.7%
|
|
| 1950 | 201 |
0.8%
|
|
| 1951 | 176 |
0.7%
|
|
| 1952 | 228 |
1%
|
|
| 1953 | 198 |
0.8%
|
|
| 1954 | 230 |
1%
|
|
| 1955 | 198 |
0.8%
|
|
| 1956 | 277 |
1.2%
|
|
| 1957 | 269 |
1.1%
|
|
| 1958 | 269 |
1.1%
|
|
| 1959 | 251 |
1.1%
|
|
| 1960 | 289 |
1.2%
|
|
| 1961 | 240 |
1%
|
|
| 1962 | 294 |
1.2%
|
|
| 1963 | 293 |
1.2%
|
|
| 1964 | 325 |
1.4%
|
|
| 1965 | 300 |
1.3%
|
|
| 1966 | 278 |
1.2%
|
|
| 1967 | 260 |
1.1%
|
|
| 1968 | 328 |
1.4%
|
|
| 1969 | 335 |
1.4%
|
|
| 1970 | 293 |
1.2%
|
|
| 1971 | 295 |
1.2%
|
|
| 1972 | 336 |
1.4%
|
|
| 1973 | 320 |
1.3%
|
|
| 1974 | 324 |
1.4%
|
|
| 1975 | 377 |
1.6%
|
|
| 1976 | 332 |
1.4%
|
|
| 1977 | 350 |
1.5%
|
|
| 1978 | 349 |
1.5%
|
|
| 1979 | 369 |
1.5%
|
|
| 1980 | 383 |
1.6%
|
|
| 1981 | 358 |
1.5%
|
|
| 1982 | 473 |
2%
|
|
| 1983 | 511 |
2.1%
|
|
| 1984 | 512 |
2.1%
|
|
| 1985 | 543 |
2.3%
|
|
| 1986 | 526 |
2.2%
|
|
| 1987 | 552 |
2.3%
|
|
| 1988 | 567 |
2.4%
|
|
| 1989 | 570 |
2.4%
|
|
| 1990 | 649 |
2.7%
|
|
| 1991 | 627 |
2.6%
|
|
| 1992 | 601 |
2.5%
|
|
| 1993 | 649 |
2.7%
|
|
| 1994 | 675 |
2.8%
|
|
| 1995 | 644 |
2.7%
|
|
| 1996 | 711 |
3%
|
|
| 1997 | 712 |
3%
|
|
| 1998 | 688 |
2.9%
|
|
| 1999 | 751 |
3.1%
|
|
| 2000 | 798 |
3.3%
|
|
| 2001 | 767 |
3.2%
|
|
| 2002 | 266 |
1.1%
|
|
| 2003 | 2 |
0%
|
|
| 3333 | Missing | 0 |
0%
|
| 5555 | Not Applicable | 0 |
0%
|
| 8888 | Refused | 0 |
0%
|
| 9999 | Don't know | 5 |
0%
|
| Sysmiss | 6218 |
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.