demographer
de·mog·rap·her
noun
1.
a scientist who studies the growth and density of populations and their vital statistics
Origin
From demo- + -grapher.
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.