| Variables of analysis | Explanation |
| Number of foreign tourists (inbound tourists arrivals) | The number of visitors from other countries entering Indonesia by air, water and land. Indonesia has 93 gateways: 65 harbours, 24 international airports and 4 border crossings. The major airports are Soekarno-Hatta (Jakarta), Ngurah Rai (Bali), Polonia (Medan) and Sekupang (Batam). |
| Hotel occupancy rate | The average percentage of occupancy for hotels with a star rating and hotels without a star rating |
| Income from tourism | The total amount of money earned from tourism activities |