I te tau 2021, i te 23 o Hepetema, i pūrongo te whakahaere rangahau parahi o te ao (ICSG) kua piki ake te putanga parahi parakore o te ao mai i Hanuere ki Hune mā te 3.2% i ia tau, ko te putanga o te parahi hikohiko (tae atu ki te hikohiko me te wini hiko) he 3.5% teitei ake i tērā o taua tau anō, ā, ko te putanga o te parahi whakaora i hangaia mai i te parahi para he 1.7% teitei ake i tērā o taua tau anō. I piki ake te whakaputanga parahi parakore o Haina mā te 6 ōrau i te wā o Hanuere-Hune mai i te tau i mua atu, e ai ki ngā tatauranga mana tuatahi. Ko te putanga parahi parakore o Chile he 7% iti iho i tērā o taua wā anō o te tau kua hipa, me te parahi parakore hikohiko kua piki ake mā te 0.5%, engari ko te parahi parakore hiko kua heke mā te 11%. I Āwherika, i piki ake te whakaputanga parahi parakore i te Democratic Republic of the Congo mā te 13.5 ōrau i ia tau i te mea kua whakatuwheratia ngā maina parahi hou, kua whānuitia rānei ngā tipu hydrometallurgical. I piki ake te hanga parahi parakore i Zambia mā te 12 ōrau i te whakaoranga o ngā kaihanga whakarewa i ngā katinga whakaputa me ngā raruraru whakahaere i te tau 2019 me te tīmatanga o te tau 2020. I piki ake te hanga parahi parakore o Amerika mā te 14 ōrau i ia tau i te whakaoranga o ngā kaihanga whakarewa i ngā raruraru whakahaere i te tau 2020. I whakaatuhia e ngā raraunga tuatahi te hekenga o te hanga i Brazil, Tiamana, Hapani, Rūhia, Pāniora (SX-EW) me Huitene mō ngā take maha, tae atu ki ngā katinga mō te tiaki, ngā raruraru whakahaere me te katinga o ngā tipu SX-EW.