Which is the correct statement?

Natural Numbers are the numbers which are used for counting . Represented by 

$N=1,2,3,......n$

Whole Numbers are the numbers which include 0 and all the natural numbers. Represented by 

$W=0,1,2,3,4.......n$

For example : 3 is a natural number which is a whole number .

Hence Every natural number is a whole number .