1979 1989 africa agedistribution(demography) aging biomathematics canada caribbeanarea census citiesandtowns citydwellers congresses costarica demographictransition demography developingcountries economicaspects economicconditions economicforecasting economics emigrationandimmigration employmentforecasting environmentalaspects ethnicgroups europe europeaneconomiccommunitycountries europeanunioncountries feasibilitystudies finance fiscalpolicy foodsupply forecasting forecasts genetics greatbritain growth hb3583p83152002 hb885 historyandcriticism housingforecasting insurance internal investments kuwait laborpolicy maritimeprovinces mathematicalmodels mathematics mathematics_$xhistory medicalstatistics methodology methods migration missingobservations(statistics) multipleimputation(statistics) naturalresources numericaldata oldagepensions olderpeople population populationdensity populationdynamics populationgenetics populationgeography populationgrowth populationresearch provinces publichealth qualityoflife sampling(statistics) savingandinvestment sexdistribution(demography) socialconditions socialprediction socialsciences socialsurveys statisticalmethods statistics texas transferpayments twenty-firstcentury unitedstates urbanization urbanpolicy vietnam