undercount

un·der·count

 (ŭn′dər-kount′)
tr.v. un·der·count·ed, un·der·count·ing, un·der·counts
To record fewer than the actual number of (persons in a census, for example).

un′der·count′ n.

undercount

(ˈʌndəˌkaʊnt)
n
(Statistics) statistics an incomplete count

un•der•count

(v. ˌʌn dərˈkaʊnt; n. ˈʌn dərˌkaʊnt)
v.t.
1. to count less than the full number or amount of, esp. in an attempt to falsify records, returns, etc.
n.
2. a count or total that is less than the actual number or amount.
[1950–55]
References in periodicals archive ?
Previous updates on SOII undercount research activities include "Examining evidence on whether BLS undercounts workplace injuries and illnesses" by John W.
Then a 3% undercount GI estimates for its own figures was added, yielding the total below.
The second part of this analysis will attempt to understand the demographic undercount of American Indians by an examination of the literature and other documents.
Armed with maps, photos and data, Hidalgo County officials say they are fighting to undo the consequences of what they see as a dramatic undercount of the rapidly growing Rio Grande Valley county in the 2010 census.
Medicaid Undercount and Bias to Estimates of Uninsurance: New Estimates and Existing Evidence.
More significantly, though, was the finding that the level of the undercount varied by region and race.
David Hacker to estimate Union and Confederate deaths separately, his discussion makes it clear that he believes the undercount of Confederate deaths was considerably greater than the Union undercount.
One area of undercount all municipalities could correct is an accurate tally of the homeless population.
If they are not contacted and interviewed by census workers in the coming weeks, the Fraustos will become part of the so-called undercount - those missing from the final census tally.
Town officials say the figure is an undercount, and precinct lines will likely have to be realigned after the census.
GAO was asked to describe (1) key activities the Bureau plans to use to help reduce the differential undercount and improve participation, (2) the various challenges and opportunities that might affect the Bureau's ability to improve coverage in 2010, and (3) how different population estimates can impact the allocation of federal grant funds.
Panel-based metrics, employed by comScore and Nielsen, often undercount Web traffic.