actuary vs statistician

actuary

noun
  • A professional who calculates financial values associated with uncertain events subject to risk, such as insurance premiums or pension contributions. 

statistician

noun
  • A person who compiles, interprets, or studies statistics. 

  • A mathematician with a specialty of statistics. 

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