About 3.1 million wage and salary earners in Germany had an income below the poverty threshold, according to Saturday’s edition of the Saarbrücker Zeitung newspaper. The paper cited an overview from Germany’s Federal Statistical Office showing the most recent available data, which covered the year 2013. It also showed the numbers of workers struggling to make ends meet jumped from about 2.5 million in 2008—an increase of 25 percent in five years. Data based on household surveys showed that those living on low wages were cutting back on food and heating, among other things, to save money. According to a...