Note: This report was updated on Dec. 30, 2015 to reflect the January-July 2015 National Health Interview Survey estimates released on December 1, 2015. Telephone surveys face numerous challenges, but ...

This study looks at how national public opinion polling in the United States changed from 2000 to 2022. It focuses on two aspects: the sample source(s) – that is, where the survey takers came from – ...

India's first Prime Minister Jawaharlal Nehru (left) with scientist and statistician PC Mahalanobis Indian data is staring at a credibility crisis with official numbers on a range of subjects - from ...

A thoughtful conversation with Geeta Singh Rathore , Director General of the National Sample Survey, as she shares what power ...

At an event to commemorate 50 years of the National Sample Survey (NSS) in 2001, the then prime minister Atal Bihari Vajpayee noted that these surveys had contributed “invaluable raw material" to ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Representative sampling and random sampling ...

The proposal to have a comprehensive jobs data in India is finally taking shape as Modi government forms a panel for larger sample The proposal to have a comprehensive jobs data in India is taking ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

According to IBGE, the lowest unemployment rate in the historical series was also accompanied by a new record in the number ...