census vs data

census

noun
  • An official count or enumeration of members of a population (not necessarily human), usually residents or citizens in a particular region, often done at regular intervals. 

  • Count, tally. 

verb
  • To collect a census. 

  • To conduct a census on. 

data

noun
  • Recorded observations that are usually presented in a structured format. 

  • A representation of facts or ideas in a formalized manner capable of being communicated or manipulated by some process. 

  • Information, especially in a scientific or computational context, or with the implication that it is organized. 

How often have the words census and data occurred in a corpus of books? (source: Google Ngram Viewer )