More Germans need state help to supplement their wages—because their jobs pay so badly they cannot pull themselves above the poverty line, figures from the Federal Employment Agency (BA) showed on Wednesday. This could fuel an ongoing debate over introducing a minimum wage. Lots of people in Germany have part-time “mini-jobs” for which they earn just enough to have to pay social contributions—around €800 ($1,052.80) per month—and according to the Süddeutsche Zeitung newspaper, many of these people claim basic welfare support, Hartz IV, as they cannot live off their wage. There were also, the paper said, people with full-time jobs...