species	common name	extant or extinct	samples	total count	ecozones	countries
Rattus andamanensis	Sikkim rat	extant	2	36	Indomalaya	Vietnam
Rattus argentiventer	ricefield rat	extant	6	557	Indomalaya	Indonesia, Malaysia, Philippines, Thailand, Vietnam
Rattus everetti	Philippine forest rat	extant	4	18	Indomalaya	Philippines
Rattus exulans	Polynesian rat	extant	16	79	Indomalaya	Indonesia, Malaysia, Philippines, Thailand
Rattus fuscipes	bush rat	extant	9	1412	Australasia	Australia
Rattus hoffmanni	Hoffmann's rat	extant	1	24	Indomalaya	Indonesia
Rattus leucopus	Cape York rat	extant	1	501	Australasia	Australia
Rattus losea	lesser ricefield rat	extant	3	27	Indomalaya	Thailand
Rattus lutreolus	Australian swamp rat	extant	7	146	Australasia	Australia
Rattus marmosurus	opossum rat	extant	1	2	Indomalaya	Indonesia
Rattus nitidus	Himalayan field rat	extant	2	6	Indomalaya, Palearctic	China, Vietnam
Rattus norvegicus	brown rat	extant	26	802	Indomalaya, Nearctic, Neotropic, Palearctic	Algeria, Argentina, Chile, China, France, Indonesia, Iran, Malaysia, Nicaragua, Philippines, Syria, Taiwan, Thailand, United States
Rattus pyctoris	Turkestan rat	extant	1	1	Palearctic	China
Rattus rattus	black rat	extant	68	2748	Afrotropic, Australasia, Indomalaya, Nearctic, Neotropic, Palearctic	Algeria, Argentina, Australia, Bangladesh, Belize, Brazil, Central African Republic, Chile, Colombia, Costa Rica, Ethiopia, India, Iran, Israel, Japan, Kenya, Madagascar, Malaysia, Mexico, Nicaragua, Niger, Nigeria, Pakistan, Portugal, Senegal, Taiwan, Tanzania, Thailand, Turkey, Uganda, United States, Vietnam, Zambia
Rattus sordidus	dusky field rat	extant	2	51	Australasia	Australia
Rattus tanezumi	Tanezumi rat	extant	17	714	Indomalaya, Palearctic	China, Indonesia, Philippines
Rattus tiomanicus	Malayan field rat	extant	13	669	Indomalaya	Indonesia, Malaysia
Rattus tunneyi	pale field rat	extant	1	1	Australasia	Australia
Rattus verecundus	slender rat	extant	4	201	Australasia	Papua New Guinea
Rattus villosissimus	long-haired rat	extant	1	1	Australasia	Australia