| a | | Projected est. (medium fertility variant). |
| b | | 2023 |
| c | | 2019 |
| d | | 2024 |
| e | | Exc. irrigation canals and landscaping care. |
| f | | Data classified according to ISIC Rev. 4. |
| g | | Exc. publishing activities. Inc. irrigation canals. |
| h | | Inc. publishing activities and landscape care. Exc. repair of personal and household goods. |
| i | | Estimate. |
| j | | Base: 2018=100. |
| k | | Data refers to a 5-year period preceding the reference year. |
| l | | Calculated by the UN Statistics Division. |
| m | | Refers to foreign citizens. |
| n | | Including refugees. |
| o | | UNHCR is verifying the number of stateless persons with the Government of Saudi Arabia. Also, only those asylum-seekers facing acute or imminent protection risks are registered by UNHCR. In addition, there are some 3,900 other asylum-seekers who were individually assessed, counselled and advised to inform UNHCR of any changes in their situation, which would justify a decision to register them. |
| p | | Data are based on SHA2011. |
| q | | 2022 |
| r | | Data at 1 January of the reporting year. |
| s | | Population aged 12 to 65 years. |
| t | | Population aged 10 to 74 years. |
| u | | Population aged 15 to 74 years. |
| v | | Overestimated or based on overestimated data. |
| w | | Based on R&D budget instead of R&D expenditure. |
| x | | 2013 |
| y | | Break in the time series. |
| z | | Excluding private non-profit. |