This article explains how to create a report which shows Count of Open Issues in Jira by Age buckets.
Age buckets: < 1 day, 1-3 days, 3-5 days, +5 days
The report is created using AIO Reports and Timesheets for Jira app.
Create a calculated field to define the age buckets
Go to Jira > AIO Reports > More > My Calculated Fields > Create New Field
Create a calculated field by adding functions and fields as per the screenshot below
Create a List report
Go to Jira > AIO Reports > Custom Report
By default report type is selected as List
Click on the fields in the left hand side fields selector to add them to the report
Project: Project Name. Add group on Project.
Common: Issue Type, Current Status, Count of Issues
Add filters and hide fields that are not required
To report on only Open issues, click on the settings icon of Current Status field, add a filter and hide the field
To report on only specific issue types, click on the settings icon of Issue Type field, add a filter and hide the field
Run the report to view the results
The same report can also be created as a Bar Chart or a Matrix report
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