actual number of the population in Oman as per the ROP records according the following criteria: First: Omani Population: Includes all alive Omanis holding an official valid document registered in the National Civil System, or even expired but for less than ten years . Second: Expatriate Population: Includes all residents holding valid visas and their presence is not required in the Sultanate within the period allowed by law. Residents with expired visas for a maximum of two years and companions holding valid visas are also included provided that they are in the country. Note that the residence visa for expatriates includes residence visa for a wife of an Omani, student resident, multiple entry visa, employment visa, employment contracting visa, official visit visa, investor visa. The companions visa includes Family Joining visas and relat​ive/ friend visit visa.