In accordance with the Census Bureau estimates, the population of the US may be as elevated as 312.7 million and as squat as 305.7 million, the figures which in a major way depend upon the quantity of people immigrating in the nation.

Speculations are in the air that the country might have less number of people than the actual estimations which has been done in the direction. Five estimates which are done on the basis of Census reviews and administrative account of various facets like birth date, death rate and the number of immigrants coming in the nation come approximately three weeks previous to the authorized 2010 Census statistics.

On the basis of these figures, a rough estimation has been made as figures are pointing out in the direction that the country might have less natives than had been predicted.

According to Census Director Robert Groves, this is not dependant of the Census. It just provides us with another calculation of the April 1 population.

Such estimations are made in use as an index to gauge the accuracy of the official Census. The numbers predict the immigration patterns caused due to the downturn and curbing down the number of undocumented immigrants from the country.

281.4 million was the population of the country in accordance with the 2000 Census.

John Long, who was the head of the division of the Census population in the year 2000 states that Immigration is the key.