At the point when oil export started in the late 1930s, the regressive desert state experienced an abrupt rise thanks to its dynamic workforce. Saudi Arabia had neither the mastery nor the human resources to sustain its rapidly developing economy. Since then, the country opened its doors to foreign manpower. In 1970, 1 million foreign workers were employed in Saudi Arabia. Today, the foreign population accounts for around 10 million workers, making up about 33% of the country's population as a whole.