(1) Academic writing avoids short form such as isn't, I'd, I'll, I'm whereas Non- academic writing includes all such abbreviations.
(2) Academic writing includes complex sentence whereas Non-academic writing uses simple sentences.
(3) Academic writing makes the use of passive construction whereas Non- Academic writing uses active construction.
(4) Non- academic writing is sometimes full of vague expression. Whereas academic writing uses special references.
(5) Non- academic writing directly addresses the reader by using ' You' - Conversational style.