A brief explanation for the curious. It’s a breakdown of how value an immigrant from a given region can be expected to generate. Taxes paid, hours worked etc. Versus how many taxpayer funded services they can be expected to use subtracted off that

The end result being as a broad overview. Essentially Western/Northern Europeans, Asians (China, S. Korea, Japan) , Americans and heavily European dominated regions etc. Are generally either net benefits or just about break even. The exact degree can vary depending on country