{"id":9032,"slug":"apple-songs-chart-turnover-41-african-markets-2026","title":"Chart turnover on Apple Music’s daily songs chart in 41 African markets, 16 August to 4 November 2026","source":"This desk's own Apple Music daily chart collection","source_url":"","source_type":"computed","method":"Every Apple Music daily songs chart this desk collected for an African market between 16 August and 4 November 2026, 273,498 chart rows across 41 markets and 78 distinct dates. days_collected is the number of distinct dates on which that market's chart was captured, and it varies between markets because a fetch that failed was not retried. chart_depth is the mean number of rows on that market's chart, 100 everywhere except Burkina Faso and Sao Tome and Principe, where some captures were partial. slot_days is the sum of those rows, meaning the total number of chart positions observed. A recording is an Apple track identifier, which this desk confirmed is the same identifier in every market. Tenure for one recording in one market is the number of distinct collected dates on which it appeared on that market's chart; mean_tenure_pct expresses that as a share of the market's days_collected and then averages it across every distinct recording the market charted, so it is the share of the collection window the average charting recording held its position. median_tenure_days and max_tenure_days are in collected dates, not calendar days. distinct_recordings counts separate Apple track identifiers; recordings_per_1000_slots normalises that against slot_days so markets with fewer or shallower captures remain comparable. Tenure is right-censored at both ends: a recording already charting on 16 August or still charting on 4 November has its true tenure understated.","unit":"count","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":"high","retrieved":"2026-11-04 07:50:29","n":41,"first_party":0,"columns":[{"key":"market","label":"Market","type":"text"},{"key":"iso2","label":"ISO","type":"text"},{"key":"days_collected","label":"Days collected","type":"number"},{"key":"chart_depth","label":"Mean chart depth","type":"number"},{"key":"slot_days","label":"Chart positions observed","type":"number"},{"key":"distinct_recordings","label":"Distinct recordings charted","type":"number"},{"key":"recordings_per_1000_slots","label":"Recordings per 1,000 positions","type":"number"},{"key":"mean_tenure_pct","label":"Mean tenure (% of window)","type":"number"},{"key":"median_tenure_days","label":"Median tenure (days)","type":"number"},{"key":"max_tenure_days","label":"Longest tenure 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