Adam Grant and Tim Harford ask:

How many total confirmed cases of COVID-19 will the World Health Organization (WHO) report for Brazil as of 31 July 2021?

Started Mar 12, 2021 06:00PM UTC
Closed Jul 11, 2021 09:30AM UTC

As COVID-19 cases are dropping in many parts of the world, Brazil is seeing sustained increases amidst domestic political acrimony over the response (CNN, BBC). The outcome will be determined using data as reported by WHO (WHO). The available data showing total confirmed cases for Brazil through and including 31 July 2021 will be assessed on 4 August 2021.

Confused? Check our FAQ or ask us for help. To learn more about Good Judgment and Superforecasting, click here.

To learn more about how you can become a Superforecaster, see hereFor other posts from our Insights blog, click here.


The question closed "More than 19.0 million" with a closing date of 11 July 2021.

See our FAQ to learn about how we resolve questions and how scores are calculated.

Possible Answer Correct? Final Crowd Forecast
Fewer than 14.5 million 0%
Between 14.5 million and 16.0 million, inclusive 0%
More than 16.0 million but fewer than 17.5 million 0%
Between 17.5 million and 19.0 million, inclusive 0%
More than 19.0 million 100%

Crowd Forecast Profile

Participation Level
Number of Forecasters 280
Average for questions older than 6 months: 206
Number of Forecasts 1146
Average for questions older than 6 months: 586
Accuracy
Participants in this question vs. all forecasters average

Most Accurate

Relative Brier Score

1.
-0.179
2.
-0.164
3.
-0.161
4.
-0.151
5.
-0.147

Recent Consensus, Probability Over Time

Files
Tip: Mention someone by typing @username