Of the total area that is used by humans (Agriculture, Urban and Built-up Land),
- urban and built-up land is 1m km²,
- agriculture is 48m km²,
so agriculture is 48 of 49 millions km² used, that’s 98%. The remaining 2% are all streets and housing and other infrastructure together.


If you want to have a more visual perspective, you can check this brazilian project that tracks land cover in Brazil:
https://plataforma.brasil.mapbiomas.org/coverage/coverage_lclu
All in yellow is pasture, and in pink, cropland. The site also allows to see change over the years