: a loose pullover or jacket without a collar and usually with long sleeves. See words that rhyme with sweatshirt Spanish Central: Translation of sweatshirt Nglish: Translation of sweatshirt for Spanish speakers.
Demography (from prefix demo- from Ancient Greek Î´á¿Î¼Î¿Ï dÄmos meaning the people, and -graphy from Î³ÏÎ¬ÏÏ graphÅ, implies writing, description or measurement) is the statistical study of populations, especially human beings.
Full Answer. Demography involves studying the size, structure and distribution of people and how things, such as birth, migration, aging and death, change population over time. There are two ways of gathering demographic data. Direct data is the first method; it involves statistics which are directly collected, such as registries and surveys.