▌ population-chart-video.md

# Population Chart Video ## What Animated bar chart race video showing top 20 countries by population from 1940-2023. Same style as daily comparative data video. ## Status Ready to run — script exists, data fetched. ## Specs - Duration: 1m 1s (0.6s per year = 50 years, 3s title, 7.6s end card) - Top 20 countries by population - Same visual style as daily comparative video (dark BG, gradient bars, flags) - Music: /tmp/interstellar_85s.mp3 ## Data - Source: Our World in Data CSV - URL: https://ourworldindata.org/grapher/population.csv?downloadFormat=csv - Countries: 180 sovereign states filtered via COUNTRY_CODES list - Years: 1940-2023 ## Script - `/tmp/daily_comparative_video.py` (same script used for daily video) - Population indicator: SP.POP.TOTL - Output: /Volumes/My Shared Files/UTM/population_chart.mp4 ## End Card @mrbizmind (NOT @comparativedata1 — that's for comparative data channel) ## Common Bug Data keys are integers (year int), NOT strings. Must use: gdp_data[c].get(y, 0) NOT: gdp_data[c].get(str(y), 0)