To create data visualizations for multilingual data, you need to prepare your data by cleaning, transforming, and standardizing it, as well as identify the language of the data and translate it if needed. Additionally, you need to select a tool that can handle multilingual data and offer the visualization techniques you want to use. Examples of these tools include Tableau, Power BI, R, Python, or Excel. Moreover, you must design your visualization by choosing the technique that best suits your data type, goal, and audience. You also need to consider aesthetic and functional aspects such as color, layout, scale, labels, and interactivity. Finally, you should evaluate and refine your visualization to ensure accuracy, clarity, and engagement. You may need to modify or adjust your data, tool, or design choices based on feedback or results.