Interesting statistics:

www.bbc.com/news/world-middle-east-58955584
Saudi Arabia commits to net zero emissions by 2060

7 hours ago

While reality in the Ground is:

https://www.worldometers.info/oil/saudi-arabia-oil/

Saudi Arabia Oil

Summary Table

	​	Barrels​	Global Rank​
1	Oil Reserves​	266,578,000,000​	2nd in the world​

	​	Barrels per Day​	Global Rank​
1	Oil Production​	12,402,761​	2nd in the world​
2	Oil Consumption​	3,302,000​	6th in the world​
3	Daily Surplus​	+ 9,100,761​	​
4	Oil Imports​	1​	​
5	Oil Exports​	7,333,557​	​
6	Net Exports​	7,333,556​	​

(Data shown is for 2016, the latest year with complete data in all categoreies)
Oil Reserves in Saudi Arabia

See also: List of countries by Oil Reserves
Saudi Arabia holds 266,578,000,000 barrels of proven oil reserves as of 2016, ranking 2nd in the world and accounting for about 16.2% of the world's total oil reserves of 1,650,585,140,000 barrels.

Saudi Arabia has proven reserves equivalent to 221.2 times its annual consumption. This means that, without Net Exports, there would be about 221 years of oil left (at current consumption levels and excluding unproven reserves).

OIL RESERVES
266,578,000,000 barrels
Global Rank: 2nd | Share of World: 16.15 %
221 years of oil left
(at current consumption levels)​

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It appears SA are counting on a Technology substitute coming to their rescue
within next 40 years to replace their 220 years domestic security.

Cheers,