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
541677
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b13_y - Date of birth (year) (w5_r_dob_y)
Data file: householdroster_w5_secure_v1.0.0
Overview
Valid:
45336
Invalid:
7025
Type:
Discrete
Decimal:
0
loc_start_pos:
346
loc_end_pos:
349
Width:
4
Range:
1907 - 9999
Format:
Numeric
Questions and instructions
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 1907 | 1 |
0%
|
|
| 1914 | 1 |
0%
|
|
| 1916 | 1 |
0%
|
|
| 1917 | 1 |
0%
|
|
| 1918 | 5 |
0%
|
|
| 1919 | 4 |
0%
|
|
| 1920 | 9 |
0%
|
|
| 1921 | 5 |
0%
|
|
| 1922 | 6 |
0%
|
|
| 1923 | 5 |
0%
|
|
| 1924 | 13 |
0%
|
|
| 1925 | 13 |
0%
|
|
| 1926 | 17 |
0%
|
|
| 1927 | 16 |
0%
|
|
| 1928 | 19 |
0%
|
|
| 1929 | 24 |
0.1%
|
|
| 1930 | 63 |
0.1%
|
|
| 1931 | 22 |
0%
|
|
| 1932 | 46 |
0.1%
|
|
| 1933 | 44 |
0.1%
|
|
| 1934 | 50 |
0.1%
|
|
| 1935 | 59 |
0.1%
|
|
| 1936 | 58 |
0.1%
|
|
| 1937 | 57 |
0.1%
|
|
| 1938 | 85 |
0.2%
|
|
| 1939 | 100 |
0.2%
|
|
| 1940 | 144 |
0.3%
|
|
| 1941 | 104 |
0.2%
|
|
| 1942 | 121 |
0.3%
|
|
| 1943 | 101 |
0.2%
|
|
| 1944 | 121 |
0.3%
|
|
| 1945 | 127 |
0.3%
|
|
| 1946 | 142 |
0.3%
|
|
| 1947 | 163 |
0.4%
|
|
| 1948 | 181 |
0.4%
|
|
| 1949 | 184 |
0.4%
|
|
| 1950 | 230 |
0.5%
|
|
| 1951 | 208 |
0.5%
|
|
| 1952 | 262 |
0.6%
|
|
| 1953 | 231 |
0.5%
|
|
| 1954 | 263 |
0.6%
|
|
| 1955 | 234 |
0.5%
|
|
| 1956 | 312 |
0.7%
|
|
| 1957 | 311 |
0.7%
|
|
| 1958 | 321 |
0.7%
|
|
| 1959 | 290 |
0.6%
|
|
| 1960 | 354 |
0.8%
|
|
| 1961 | 289 |
0.6%
|
|
| 1962 | 358 |
0.8%
|
|
| 1963 | 354 |
0.8%
|
|
| 1964 | 410 |
0.9%
|
|
| 1965 | 376 |
0.8%
|
|
| 1966 | 338 |
0.7%
|
|
| 1967 | 331 |
0.7%
|
|
| 1968 | 416 |
0.9%
|
|
| 1969 | 410 |
0.9%
|
|
| 1970 | 364 |
0.8%
|
|
| 1971 | 371 |
0.8%
|
|
| 1972 | 423 |
0.9%
|
|
| 1973 | 414 |
0.9%
|
|
| 1974 | 421 |
0.9%
|
|
| 1975 | 472 |
1%
|
|
| 1976 | 436 |
1%
|
|
| 1977 | 447 |
1%
|
|
| 1978 | 459 |
1%
|
|
| 1979 | 466 |
1%
|
|
| 1980 | 520 |
1.1%
|
|
| 1981 | 491 |
1.1%
|
|
| 1982 | 627 |
1.4%
|
|
| 1983 | 641 |
1.4%
|
|
| 1984 | 645 |
1.4%
|
|
| 1985 | 717 |
1.6%
|
|
| 1986 | 688 |
1.5%
|
|
| 1987 | 713 |
1.6%
|
|
| 1988 | 732 |
1.6%
|
|
| 1989 | 747 |
1.6%
|
|
| 1990 | 885 |
2%
|
|
| 1991 | 838 |
1.8%
|
|
| 1992 | 815 |
1.8%
|
|
| 1993 | 856 |
1.9%
|
|
| 1994 | 908 |
2%
|
|
| 1995 | 903 |
2%
|
|
| 1996 | 944 |
2.1%
|
|
| 1997 | 963 |
2.1%
|
|
| 1998 | 900 |
2%
|
|
| 1999 | 904 |
2%
|
|
| 2000 | 936 |
2.1%
|
|
| 2001 | 902 |
2%
|
|
| 2002 | 834 |
1.8%
|
|
| 2003 | 916 |
2%
|
|
| 2004 | 962 |
2.1%
|
|
| 2005 | 978 |
2.2%
|
|
| 2006 | 1016 |
2.2%
|
|
| 2007 | 1063 |
2.3%
|
|
| 2008 | 1089 |
2.4%
|
|
| 2009 | 1059 |
2.3%
|
|
| 2010 | 1056 |
2.3%
|
|
| 2011 | 1018 |
2.2%
|
|
| 2012 | 1009 |
2.2%
|
|
| 2013 | 1014 |
2.2%
|
|
| 2014 | 1059 |
2.3%
|
|
| 2015 | 974 |
2.1%
|
|
| 2016 | 879 |
1.9%
|
|
| 2017 | 357 |
0.8%
|
|
| 3333 | Missing | 7 |
0%
|
| 5555 | Not applicable | 0 |
0%
|
| 8888 | Refusal | 1 |
0%
|
| 9999 | Don't know | 87 |
0.2%
|
| Sysmiss | 7025 |
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.