This is petty inaccurate. Using local price and official average salary for Poland it is 20, not 17 days.
Where you axx get all this shady information from? In Vietnam i do damn known is a much of corruption country where inflation is increasing, people had to buy only via installment purchase.
Stop spreading bulls!t or close this entire website, that's enough of this.
People also need to pay taxes on their earnings, they need to eat, sleep and drink, they need to pay bills and get clothes... No one but a complete moron will spend their month of work to buy a phone (!) and stay without those initially mentioned things. Weird metrics to use to write this article.