This report presents estimates of the number of unauthorized immigrants in the United States as of July 2023 and for earlier years. As noted earlier in this report, the estimates presented here ...

Surveys have been used to gain insights on populations, products and public opinion since time immemorial. And while methodologies might have changed through the millennia, one thing has remained ...

J. N. K. Rao, Arijit Chaudhuri, J. L. Eltinge, Robert E. Fay, J. K. Ghosh, Malay Ghosh, P. Lahiri and Danny Pfeffermann Beginning with the pioneering contributions of ...

In 2025, the average annual premium for family health coverage reached $26,993, an increase of $1,408 (6 percent) from the previous year. Covered workers contributed an average of 16 percent ($1,440) ...

Ramesh Kumar, an investigator or "data warrior" as they are better known to the fraternity, braved sub-zero temperatures in a Himalayan village to gather vital data on rural livelihoods. It is on the ...

The test of independence of row and column variables in a (J × K) contingency table is a widely used statistical test in many areas of application. For complex survey samples, use of the standard ...

Nurse practitioners are not working to the full extent of their scope of practice and potential, even in states with full ...

Targeting matters most. Surveying the wrong audience can lead to misleading data and poor decisions, even if the questions themselves are solid. Weighting shapes reality. Overrepresenting certain ...