{"id":1913,"slug":"sa-chart-wealth-gap-robustness","title":"Robustness of Income, connectivity and African chart share across Spotify’s four African markets, 17 August 2026 (total_gni_usd)","source":"Recomputed from sa-chart-wealth-gap","source_url":"","source_type":"computed","method":"Sensitivity check on \"total_gni_usd\" in the dataset sa-chart-wealth-gap, 4 rows carrying a value. Rows sorted by that column, then the totals recomputed with the largest rows dropped one scenario at a time, and again with named rows excluded. sum_change_pct and mean_change_pct are each scenario against the full set. A finding that moves sharply when a single row leaves is a finding about that row.","unit":"usd","license":"Afrobeats Wire's compilation and analysis are licensed CC BY 4.0. Rights in the underlying source data remain with the source named above.","confidence":"medium","retrieved":"2026-08-20 13:48:30","n":4,"first_party":0,"columns":[{"key":"scenario","label":"Scenario","type":"text"},{"key":"n","label":"Rows","type":"number"},{"key":"sum","label":"Total","type":"number"},{"key":"mean","label":"Mean","type":"number"},{"key":"top_share_pct","label":"Largest row share, %","type":"number"},{"key":"sum_change_pct","label":"Change in total, %","type":"number"},{"key":"mean_change_pct","label":"Change in mean, %","type":"number"}],"rows":[{"scenario":"All rows","n":4,"sum":1282434774550,"mean":320608693637.5,"top_share_pct":31.66,"sum_change_pct":0,"mean_change_pct":0},{"scenario":"Excluding the top 1 (South Africa)","n":3,"sum":876469084420,"mean":292156361473.3333,"top_share_pct":44.03,"sum_change_pct":-31.66,"mean_change_pct":-8.87},{"scenario":"Excluding the top 3 (South Africa, Egypt, Nigeria)","n":1,"sum":167558157200,"mean":167558157200,"top_share_pct":100,"sum_change_pct":-86.93,"mean_change_pct":-47.74}]}