diff --git a/tools/github-manage/cmd/gm/milestone.go b/tools/github-manage/cmd/gm/milestone.go
index 82bff393f4..2ef490c06d 100644
--- a/tools/github-manage/cmd/gm/milestone.go
+++ b/tools/github-manage/cmd/gm/milestone.go
@@ -157,8 +157,9 @@ var milestoneReportCmd = &cobra.Command{
 				projects = filtered
 			}
 		}
-		headers := make([]string, 0, len(projects)+2)
+		headers := make([]string, 0, len(projects)+3)
 		headers = append(headers, "Number")
+		headers = append(headers, "Assignees")
 		for _, p := range projects {
 			if p.Title != "" {
 				title := p.Title
@@ -211,7 +212,7 @@ var milestoneReportCmd = &cobra.Command{
 				pids = append(pids, p.ID)
 			}
 			statuses, _ := ghapi.GetIssueProjectStatuses(num, pids)
-			row := []string{fmt.Sprintf("%d", num)}
+			row := []string{fmt.Sprintf("%d", num), fmt.Sprintf("%d", len(mi.Assignees))}
 			for _, pid := range pids {
 				ps, ok := statuses[pid]
 				if !ok || !ps.Present {
diff --git a/tools/github-manage/pkg/ghapi/milestone.go b/tools/github-manage/pkg/ghapi/milestone.go
index 4dc197ee59..85669aed75 100644
--- a/tools/github-manage/pkg/ghapi/milestone.go
+++ b/tools/github-manage/pkg/ghapi/milestone.go
@@ -43,7 +43,7 @@ func GetIssuesByMilestoneWithTitles(name string, limit int) ([]MilestoneIssue, e
 	if limit <= 0 {
 		limit = 1000
 	}
-	cmd := fmt.Sprintf("gh issue list --state all --milestone %q --limit %d --json number,title,labels", name, limit)
+	cmd := fmt.Sprintf("gh issue list --state all --milestone %q --limit %d --json number,title,labels,assignees", name, limit)
 	out, err := RunCommandAndReturnOutput(cmd)
 	if err != nil {
 		return nil, err
@@ -68,6 +68,9 @@ type MilestoneIssue struct {
 	Labels []struct {
 		Name string `json:"name"`
 	} `json:"labels"`
+	Assignees []struct {
+		Login string `json:"login"`
+	} `json:"assignees"`
 }
 
 // GetIssueProjects returns projects (id->title) that a specific issue belongs to.