sociologist, epidemiologist, economist, geographer, researcher, biologist, statistician, census, pollster, ecologist, macroeconomist, criminologist, geneticist, entomologist, gerontologist, professor, anthropologist, scientist, coauthor, historian, associate professor, glaciologist, geophysicist, seismologist, birthrate, climatologist, mammalogist, cognitive neuroscientist, hydrologist, astronomer, cultural anthropologist, zoologist, assistant professor, astrophysicist, oceanographer, endocrinologist, linguist, geriatrician, population, molecular biologist, paleontologist, toxicologist, forecaster, theorist, microbiologist, psychologist, virologist, volcanologist, ethnographer, limnologist, unemployment rate, urbanization, paleobiology, biophysicist, apiculturist, methodologist, archaeologist, agronomist, actuary, immunologist, neurobiologist, scholar, developmental psychology, vulcanologist, ethicist, forester, herpetologist, enrollment, births, econometrician, demographics, ornithologist, applied economics, curator, intermarriage, mathematician, obstetrician, geologist, undercount, sexologist, ichthyologist, apiarist, mycologist, planner, futurist, psephologist, sociolinguistics, ethologist, emigration, meteorologist, futurologist, strategist, biochemist, physicist, horticulturist, assyriology, palaeontologist, simon kuznets, dean, scd, extension agent, analyst, demographers, cartographer, geologists, archeologist, ethnologist, journalist

demographist, population scientist