In Sweden, dog tags and dog taxes are both compulsory, and the retrieval rate of lost dogs is as high as 90 %. Animal shelters in the capital Stockholm are never full to capacity, and can even serve as short-stay kennels.
在瑞典，因為強制實行為狗發牌註記和徵收狗稅，使得走失狗兒的認回率高達百分之九十，首都斯德哥爾摩的收容所永遠也住不滿，還可以暫時充當狗旅館。