This research aims to analyze and present data on the number of tourist groups and
income to support decision-making for promoting tourism in Thailand national park.
Additionally, it can forecast the future number of tourist groups and income of the national park
for the next 3 years, allowing Thailand national park to set appropriate development policies and
tourism planning according to the predetermined goals. The sample group data includes the
number of tourists visiting Thailand national park, divided into 3 groups: Thai tourists, foreign
tourists, and elderly/disabled tourists, from the years 2016 to 2022. The income data of tourists
visiting Thailand national park was obtained from the website of Thailand National Park Office.
The analysis of the data revealed the preferences of each tourist group in visiting Thailand
national park and identified which tourist group has the highest expenditure per capita.
Furthermore, it identified Thailand national park with the highest income. Moreover, the system
also presents the forecasted data of future tourists and income for the next 3 years, from 2023 to
2025. By setting the confidence value at 95 percent and testing the accuracy of the forecast to
make it more reliable. Therefore, this data can be utilized to plan and develop sustainable
tourism policies for Thailand national park in the future.