30DayChartChallenge 2025 April 19, 2025 30DayChartChallenge & Sweden & health & mortality & death & age & cancer & population & R & data visualization & complications & hospitalizations & births & healthcare & antibiotics & drugs Share of deaths by age group in Sweden, 1950-2023 Lung cancer diagnoses and deaths in Sweden, 1973-2023 Sweden’s motherhood cycles BIG PRIVATE vs 30DayChartChallenge 2024 April 29, 2024 30DayChartChallenge & Olympic games & women & sports & map & cities & pool & water & AI & injuries & twins & heatmap & metro & Paris & dinosaur & LGBT & Tokyo & Data Visualization Day 1, part-to-whole Day 2, neo Day 3, makeover Day 4. waffle Day 5, diverging Day 6, OECD Day 7, hazards Day 8, circular Day 9,