(The problem is that the developed world actually uses up far more than this and this means that we are using the agricultural land, forests, seas and resources of other countries to sustain ourselves.
The countries with the biggest impact on the planet are the USA and China. Together they account for around 40% of the global footprint. And per person the USA and United Arab Emirates have the largest ecological footprint, while Malawi and Afghanistan have the smallest. The old adage comes to mind, consume less, live more.)