{"version":"1.0","type":"rich","title":"Final: migration bar chart with dropdown","description":"A bar chart displays immigration numbers for ten countries across selectable years using a dropdown menu. The visualization updates the bar heights based on the chosen year from 2008 to 2019, with country names on the x-axis and population counts formatted in billions on the y-axis. Built with React and D3 v5, it uses `scaleBand` and `scaleLinear` for axes, and renders SVG rectangles. Data comes from the United Nations World Population Prospects 2019, loaded via `d3.csv`.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/1975c0f6dfee4dd3baaaf281f6d98208?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}