Figure 1 Average Annual Inflow of Unauthorized Immigrants, by Period, 2000-2009 850
The annual inflow of unauthorized immigrants to the United States was nearly two-thirds smaller in the March 2007 to March 2009 period than it had been from March 2000 to March 2005, according to new estimates by the Pew Hispanic Center, a project of the Pew Research Center.
Figure 1  | Average Annual Inflow of Unauthorized  | Immigrants, by Period, 2000-2009  | (thousands)  | 850  | 550  | 300  | March 2000-  | March 2005  | March 2007  | March 2005  | March 2007  | March 2009  | Notes Flows are denived as differences of population totals over  | given interyals, classified by penkod of arrivalinUS, from March  | CPS supplements Methodology. Averages penkod of alternative estimates are shown in  | chart. supplements See Methodology. Averages  | Source: Pew Hispanic Center estimates based on augmented  | March Supplements to the Current Population Survey, 