Document and Entity Information	12 Months Ended
	Dec. 31, 2019 shares
Document and Entity Information [Abstract]
Entity Registrant Name	United World Holding Group Ltd.
Entity Central Index Key	0001763543
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Type	20-F
Document Period End Date	Dec. 31, 2019
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	FY
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Non-accelerated Filer
Entity Shell Company	false
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Document Annual Report	true
Document Transition Report	false
Document Shell Company Report	false
Entity Common Stock, Shares Outstanding	22,354,793
Entity File Number	333-229310
Entity Interactive Data Current	Yes
Entity Incorporation, State or Country Code	D8