COVID-19 vaccine uncertainty reasons reported by adults by country worldwide 2021 | Statista

As of September 2021, around 34 percent of adults in the United States reported that they are not sure about getting a COVID-19 vaccine due to fears about side effects, while around 10 percent of adults stated that they don't think the vaccine will be effective. This statistic illustrates the reasons for uncertainty about COVID-19 vaccines as reported by adults worldwide as of September 2021, by country.

Reasons for uncertainty about COVID-19 vaccines as reported by adults worldwide as of September 2021, by country

Characteristic	Concerned about side effects	Worried the clinical trials moved too fast	Against vaccines more generally	Don't think the vaccine will be effective	Don't trust the companies making the vaccine	The risk of me getting COVID-19 is small	Other
Australia	36%	31%	3%	10%	4%	10%	7%
Brazil	42%	24%	2%	20%	8%	4%	0%
Canada	42%	12%	13%	10%	6%	7%	10%
France	37%	30%	-	14%	9%	-	7%
Germany	35%	33%	5%	5%	7%	12%	3%
Italy	59%	18%	-	8%	7%	-	5%
Japan	49%	19%	4%	10%	5%	7%	6%
Russia	40%	27%	5%	16%	5%	3%	3%
South Korea	68%	10%	3%	8%	3%	3%	5%
Spain	42%	26%	-	15%	4%	-	7%
U.K.	26%	39%	3%	8%	8%	10%	6%
U.S.A	34%	29%	5%	10%	9%	6%	6%

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Release date

September 2021

More information

Region

Worldwide

Survey time period

September 14 to 20, 2021

Age group

18 years and older

Special properties

46,128 interviews in the United States and between 2,314 to 6,528 interviews in the other 14 countries.

Method of interview

Online survey

Citation formats

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