in the future vs subsequently

in the future

prep
  • At a future time, at some point in the future. 

  • From now on. 

subsequently

adv
  • Following, afterwards in either time or place. 

  • Accordingly, therefore (implying a logical connection or deduction), consequently. 

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