NEW YORK (AP)  -- A new report from a conservative think tank in New York City says that immigrants are assimilating faster than their counterparts from a century ago.

The Manhattan Institute report relies on Census Data to measure the degree of similarity between native and foreign-born adults in the U.S.

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The report defines assimilation as ``the ability to distinguish the later group from the former.'' It was authored by Duke University Associate Professor of Public Policy Jacob Vigdor.

New York Immigration Coalition Executive Director Chung-Wha Hong said she hopes the report will be used to promote public policy that helps immigrants become citizens.

The report also found that assimilation has held steady since 1990.

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