what is the difference between census and survey?

Census	Survey
It is a large survey that involves asking questions and gathering information pertaining to the entire population.	In a survey, only a sample from the population is chosen which is then used to make predictions on the representation of the actual population.
It is time consuming process and takes a long time to generate the results.	It is a quick process which generates faster results.
As it takes more time to generate results, it is more accurate as compared to the survey.	As the results are generated quickly, it is less accurate than the census.
It is an expensive process and requires lots of money and personnel.	It is inexpensive process.