The government is working with advisers on a review of capital spending plans and may delay or shrink some infrastructure projects to save money, the people said, asking not to be identified as the information is private. The government is in the early stages of the review and could look at cutting investment spending, estimated to be about 382 billion riyals ($102 billion) this year, by about 10 percent or more, the people said. Current spending on areas such as public sector salaries wouldn't be affected, the people said.

Saudi Foreign Reserves (chart left)

The Arab world's largest economy is expected to post a budget deficit of almost 20 percent of gross domestic product this year, according to the International Monetary Fund. With income from oil accounting for about 90 percent of revenue, a more than 50 percent drop in prices in the past 12 months has put pressure on the nation's finances. The country has raised at least 35 billion riyals from local bond markets this year, the first time it has issued securities with a maturity of over 12 months since 2007.

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