People with Disabilities in India: From Commitment to Outcomes
People with Disabilities in India: From Commitment to Outcomes
People with Disabilities in India: From Commitment to Outcomes
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not be expla<strong>in</strong>ed by this. The major driver of the differences appears <strong>to</strong> be def<strong>in</strong>itional, <strong>with</strong> the<br />
census def<strong>in</strong><strong>in</strong>g visual disabilities more broadly and vice versa for movement disabilities. 12<br />
Census and NSS sources give a divergent picture of the composition of disability<br />
Figure 1.1: Disability shares by type, census and NSS, early 2000s (% of disabled people)<br />
Figure 1.1<br />
Multiple<br />
%of PWDpopulation<br />
Locomo<strong>to</strong>r<br />
Speech<br />
Hear<strong>in</strong>g<br />
Visual<br />
Census rates<br />
NSS rates<br />
Mental<br />
0 10 20 30 40 50 60<br />
Source: NSS, 58 th round and census, 2001.<br />
1.5. The aggregate number of PWD <strong>in</strong> <strong>India</strong> is keenly disputed, <strong>with</strong> alternative<br />
estimates <strong>in</strong>variably higher than official ones.<br />
13<br />
Higher estimates are based on several<br />
arguments:<br />
• exclusion of disability categories <strong>in</strong> both NSS and census. The reliance on PWD Act<br />
categories is a limit<strong>in</strong>g fac<strong>to</strong>r. There are numerous examples of excluded disability<br />
categories, <strong>in</strong>clud<strong>in</strong>g autism, thalassemia, haemophilia, and many learn<strong>in</strong>g disabilities.<br />
• the method of question<strong>in</strong>g on disability <strong>in</strong> both census and NSS which relies on a<br />
traditional “diagnostic” identification of disability by untra<strong>in</strong>ed <strong>in</strong>terviewers, which recent<br />
work com<strong>in</strong>g out of a UN expert group suggests is the method which yields the lowest<br />
disability estimates. Box 1.1 notes the various methods and issues <strong>in</strong>volved. Simply ask<strong>in</strong>g<br />
whether or not people have a disability (and what type) has been found worldwide <strong>to</strong> yield<br />
lower bound estimates of prevalence, <strong>with</strong> a strong bias <strong>to</strong>wards more serious disabilities.<br />
• disability-specific surveys which have found often substantially higher rates of disability <strong>in</strong><br />
cases where <strong>in</strong>terviewers have been far better tra<strong>in</strong>ed on detection and prob<strong>in</strong>g. Examples<br />
<strong>in</strong>clude: a meta-analysis of mental illness <strong>in</strong>cidence gives an estimated prevalence of 5.8<br />
percent of the population based on dedicated surveys. 14 A GoI/WHO survey <strong>in</strong> the 1980s<br />
estimated visual disabilities at 1.5 percent of the population, a share that may have grown<br />
based on a national estimate of bl<strong>in</strong>d persons <strong>in</strong> 2000 of 18.7 million, of which 9.5 million<br />
were cataract-related and 3 million refractive error-related. 15 Naturally, different studies are<br />
subject <strong>to</strong> differences <strong>in</strong> approach and def<strong>in</strong>ition, but careful work by well-tra<strong>in</strong>ed<br />
<strong>in</strong>terviewers us<strong>in</strong>g better <strong>in</strong>struments and <strong>with</strong> reasonable def<strong>in</strong>itions of disability have<br />
produced substantially higher estimates of disability prevalence than official statistics. The<br />
12 Bhanushali (2005). GoI has recognized a number of these issues, as summarized <strong>in</strong> the 2006 Technical<br />
Advisory Committee report on Disability Statistics.<br />
13 See Puri (2005) prepared as background material for this report, which provides a comprehensive<br />
summary of micro-studies on prevalence of different forms of disability <strong>in</strong> <strong>India</strong>.<br />
14 Khandelwal et al. (2004).<br />
15 Dandona et al (2001). If there is no change <strong>in</strong> the current trend of bl<strong>in</strong>dness, the study estimates that the<br />
number of bl<strong>in</strong>d persons <strong>in</strong> <strong>India</strong> would <strong>in</strong>crease <strong>to</strong> 24.1 million <strong>in</strong> 2010, and <strong>to</strong> 31.6 million <strong>in</strong> 2020.<br />
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