Sharar gida, kayan da ba'a so ko mara amfani, ya bambanta da nau'i da yawa a cikin ƙasashe daban-daban. Ƙasashen da suka cigaba suna samar da ƙarin sharar gida ga kowane mutum saboda suna da ƙimar yawan amfani . Akwai mafi girman adadin robobi da karafa da takarda a cikin magudanar shara na birni kuma akwai tsadar aiki . Yayin da ƙasashe ke ci gaba da haɓakawa, ana samun raguwar datti da toka . Samar da sharar kan kowa da kowa a cikin kasashen OECD ya karu da kashi 14% tun daga shekarar 1990, da kashi 35% tun daga shekarata 1980. Haɓaka sharar gida gabaɗaya yana girma da ɗan ƙasa da GDP a waɗannan ƙasashe. Ƙasashen da suka ci gaba suna cinye fiye da kashi 60% na albarkatun masana'antu na duniya kuma sun ƙunshi kashi 22% na al'ummar duniya kawai. A matsayin al'umma, ƙasar Amurkawa suna samar da sharar gida fiye da kowace al'umma a duniya tare 4.5 pounds (2.0 kg) na garin dattin sharar gida (MSW) kowane mutum a rana, kashi hamsin da biyar na abin da aka bayar a matsayin sharar gida.