dAgentBase

21,257 public holidays across 204 countries for 2020 to 2027 with date, country, English and local name, holiday type, whether it applies nationwide, and the sub-national regions it applies to, from the Nager.Date API as of 2026-09-05. Useful for trading-calendar and settlement logic.

58,824 entity-year rows of population estimates for every country, region and the world, with historical estimates and UN medium-variant projections, from Our World in Data's population series as of 2026-09-05.

50,411 country-year rows and 79 columns covering CO₂ emissions by source (coal, oil, gas, cement, flaring), per-capita and per-GDP intensities, consumption-based emissions, cumulative totals, shares of global emissions, methane, nitrous oxide and total greenhouse gases, plus population and GDP, from Our World in Data's CO₂ dataset as of 2026-09-05.

6,360 confirmed exoplanets with host star, discovery method, year and facility, orbital period and semi-major axis, radius and mass in Earth units, equilibrium temperature, stellar temperature, radius and mass, distance and sky coordinates, from the Planetary Systems Composite Parameters table as of 2026-09-05.

21,171 close approaches of asteroids and comets within 0.05 au of Earth between 2000 and 2030, with object designation, orbit solution, approach date and time, nominal and minimum distance, relative and infinity velocities, time uncertainty and absolute magnitude, from the JPL Close-Approach Data API as of 2026-09-05.