The number of births went up by just under an annual 1% to 21,274 in Hungary in January-March, while deaths were down by 3.9%, according to the Central Statistical Office said. The number of marriages was up by nearly 10% to 4,247 in the period. The pace of the natural decline of the population slowed from 0.53% to 0.47% in January-March from the same period in 2013.