evidence: Ireland’s two richest billionaires worth more than bottom half of earners [...] Ireland’s two richest Irish billionaires have more wealth than the bottom half of the population, a report by charity Oxfam has found. The richest 1pc in the country hold more than a third (35.4pc) of Ireland’s financial wealth, the group said in a report on the world’s wealthiest people, released as a gathering of the world’s wealthiest and most powerful people kicks off at the World Economic Forum in Davos, Switzerland.