Saṁyutta Nikāya 56.103
Translators: sujato
Linked Discourses 56.103
11. Pañcagatipeyyālavagga
11. Abbreviated Texts on Five Destinations
Manussacutitiracchānasutta
Passing Away as Humans and Reborn as Animals
… “Evameva kho, bhikkhave, appakā te sattā ye manussā cutā manussesu paccājāyanti; atha kho eteva bahutarā sattā ye manussā cutā tiracchānayoniyā paccājāyanti …pe….
“… the sentient beings who die as humans and are reborn as humans are few, while those who die as humans and are reborn in the animal realm are many …”
Dutiyaṁ.