Recent advances in survey sampling have underscored the value of auxiliary variables in estimating finite population means. By incorporating additional information from related variables, researchers ...

The concept of effective population size, introduced by Sewall Wright (1931, 1933), is central to plant and animal breeding (Falconer and Mackay, 1996), conservation genetics (Frankham et al., 2010; ...

The American Community Survey (ACS) is a continuously fielded survey that collects detailed information from a sample of the U.S. population on a wide range of social and demographic topics. Each ...

There are widely varying estimates of deaths and illness associated with the COVID-19 pandemic, and their accuracy has become a source of vigorous debate. At a minimum, all states should follow CDC ...

The estimates presented in this report for the unauthorized immigrant population are based on a residual estimation methodology that compares a demographic estimate of the number of immigrants ...

The U.S. Fish and Wildlife Service has released its 2025 Waterfowl Population Status Report. This report contains results from surveys and population estimation methods conducted by Fish and Wildlife, ...