context: Irish people belong to the Irish nationality and are called Irish -man, and they are descended from Celtic origins. The origins of most of the population are Celtic, while there are also English origins. Their density rises in the east and south, about a third of the population in the capital region, and human activity is in agriculture, grazing, mining, timber, and some light industries, the most important agricultural yields are wheat, barley, oats, beets, and livestock consisting of cows (7 million heads) and sheep (4 million heads), producing coal, natural gas, lead, zinc, and silver. Whereas, according to the 2018 census, Ireland's population was 4,857,000 million people [2].
question: What is the population of Southern Ireland?
answers.text: 4,857,000 million