The model predicts the future deaths based on daily deaths reported by the source of information for the next 30 days from the date of calculation onwards.
Source of information: https://opendata.ecdc.europa.eu/covid19/casedistribution/csv
Algorithm: EXPONENTIAL_SMOOTHING
Prediction step: 30 days onwards
Date of calculation: 21th, Apr 2020 23:oo CET
Prediction tool: Oracle Autonomous Database version 18c, Always Free instance created in Frankfurt datacenter on 4th Apr 2020
Disclaimer: This is not a scientific research work. It is just the output of a tool. As it is, with no warranties. Use it as your own risk.
See also this post
Comments
The algorithm calculates the deaths based in historical data and then predicts the next 3o days. Obviously the prediction is only intended to see how the tendency is.
China
Area under the graph: 3353

Italy
Area under the graph: 32531

Spain
Area under the graph: 27087

UK
Area under the graph: 29671

Germany
Area under the graph: 9698

USA
Area under the graph: 108860

World
Area under the graph: 338568

Hope it helps! :-((