opinion vs statement

opinion

noun
  • The formal decision, or expression of views, of a judge, an umpire, a doctor, or other party officially called upon to consider and decide upon a matter or point submitted. 

  • A belief, judgment or perspective that a person has formed, either through objective or subjective reasoning, about a topic, issue, person or thing. 

  • a judicial opinion delivered by an Advocate General to the European Court of Justice where he or she proposes a legal solution to the cases for which the court is responsible 

  • The judgment or sentiment which the mind forms of persons or things; estimation. 

statement

noun
  • A presentation of opinion or position. 

  • A declaration or remark. 

  • An instruction in a computer program, especially one that returns no value, as opposed to a function call. 

  • A document that summarizes financial activity. 

verb
  • To provide an official document of a proposition, especially in the UK a Statement of Special Educational Needs. 

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