After Saudi Arabia — the world's top oil exporter — launched an oil price war over the weekend, global crude prices suffered their biggest drop in decades, roiling financial markets already panicky about the impact of the coronavirus outbreak on the world economy. Lower prices per barrel — they are currently hovering in the 30s — will be a headache for the world's main oil-exporting countries, but some are more vulnerable than others. Here's a look at the oil price that select exporters need in order for their national budgets to stay balanced.
