In the United States for example, "One estimate suggests that the total annual contribution of foreign-born workers is roughly $2 trillion, or about 10 percent of annual GDP."
Hi ku ya hi xiviko xin'wana xa sweswinyana, nkhuvo wa vukati lowu tolovelekeke eUnited States "wu koxa R145 000, kumbe kwalomu ka hafu ya muholo [wa lembe] wa ndyangu wa le Amerika."