diff --git a/webui/src/api/campaigns.ts b/webui/src/api/campaigns.ts
index 0244837..0ce6879 100644
--- a/webui/src/api/campaigns.ts
+++ b/webui/src/api/campaigns.ts
@@ -458,6 +458,53 @@ export type CampaignReportEmailPayload = {
   dry_run?: boolean;
 };
 
+export type AggregateReportCount = {
+  value: number | null;
+  suppressed: boolean;
+};
+
+export type AggregateReportCampaign = {
+  id: string;
+  name: string;
+  status: string;
+};
+
+export type AggregateReportCampaignListItem = AggregateReportCampaign & {
+  updated_at: string;
+};
+
+export type AggregateCampaignReport = {
+  generated_at: string;
+  campaign: AggregateReportCampaign;
+  version_number: number | null;
+  completion_state: "not_started" | "in_progress" | "completed" | "partially_completed" | "incomplete" | "outcome_unknown" | "suppressed";
+  population: {
+    denominator: AggregateReportCount;
+    denominator_definition: string;
+    inactive_source_entries: AggregateReportCount;
+    excluded_or_blocked_jobs: AggregateReportCount;
+  };
+  outcomes: {
+    smtp_accepted: AggregateReportCount;
+    failed: AggregateReportCount;
+    outcome_unknown: AggregateReportCount;
+    queued_or_active: AggregateReportCount;
+    cancelled: AggregateReportCount;
+    excluded: AggregateReportCount;
+    not_attempted: AggregateReportCount;
+  };
+  time_range: {
+    first_activity_at: string | null;
+    last_activity_at: string | null;
+    suppressed: boolean;
+  };
+  privacy: {
+    small_cell_threshold: number;
+    suppression_applied: boolean;
+    rule: string;
+  };
+};
+
 export async function listCampaigns(settings: ApiSettings): Promise<CampaignListItem[]> {
   const response = await apiFetch<CampaignListResponse>(settings, "/api/v1/campaigns");
 
@@ -468,6 +515,13 @@ export async function listCampaigns(settings: ApiSettings): Promise<CampaignList
   return response.campaigns ?? response.items ?? response.results ?? [];
 }
 
+export async function listAggregateReportCampaigns(
+settings: ApiSettings)
+: Promise<AggregateReportCampaignListItem[]> {
+  const response = await apiFetch<{campaigns: AggregateReportCampaignListItem[]}>(settings, "/api/v1/campaigns/aggregate-reports");
+  return response.campaigns;
+}
+
 export async function listCampaignsDelta(
 settings: ApiSettings,
 options: {since?: string | null;limit?: number;} = {})
@@ -833,6 +887,16 @@ versionId?: string)
   return apiFetch<CampaignSummary>(settings, `/api/v1/campaigns/${campaignId}/report?${params.toString()}`);
 }
 
+export async function getAggregateCampaignReport(
+settings: ApiSettings,
+campaignId: string)
+: Promise<AggregateCampaignReport> {
+  return apiFetch<AggregateCampaignReport>(
+    settings,
+    `/api/v1/campaigns/aggregate-reports/${encodeURIComponent(campaignId)}`
+  );
+}
+
 export async function downloadCampaignJobsCsv(
 settings: ApiSettings,
 campaignId: string,
diff --git a/webui/src/features/reports/AggregateReportsPage.tsx b/webui/src/features/reports/AggregateReportsPage.tsx
new file mode 100644
index 0000000..fff3cc0
--- /dev/null
+++ b/webui/src/features/reports/AggregateReportsPage.tsx
@@ -0,0 +1,233 @@
+import { useCallback, useEffect, useMemo, useRef, useState } from "react";
+import { Eye, RefreshCw } from "lucide-react";
+import { useSearchParams } from "react-router-dom";
+import {
+  Button,
+  Card,
+  DataGrid,
+  DismissibleAlert,
+  LoadingFrame,
+  MetricCard,
+  PageTitle,
+  StatusBadge,
+  TableActionGroup,
+  formatDateTime,
+  type ApiSettings,
+  type DataGridColumn
+} from "@govoplan/core-webui";
+import {
+  getAggregateCampaignReport,
+  listAggregateReportCampaigns,
+  type AggregateCampaignReport,
+  type AggregateReportCampaignListItem,
+  type AggregateReportCount
+} from "../../api/campaigns";
+
+export default function AggregateReportsPage({ settings }: {settings: ApiSettings;}) {
+  const [searchParams, setSearchParams] = useSearchParams();
+  const selectedFromUrl = searchParams.get("campaign") ?? "";
+  const [campaigns, setCampaigns] = useState<AggregateReportCampaignListItem[]>([]);
+  const [report, setReport] = useState<AggregateCampaignReport | null>(null);
+  const [listLoading, setListLoading] = useState(true);
+  const [reportLoading, setReportLoading] = useState(false);
+  const [error, setError] = useState("");
+  const reportRequest = useRef(0);
+
+  const selectCampaign = useCallback((campaignId: string) => {
+    setSearchParams(campaignId ? { campaign: campaignId } : {}, { replace: true });
+  }, [setSearchParams]);
+
+  const loadCampaigns = useCallback(async () => {
+    setListLoading(true);
+    setError("");
+    try {
+      const rows = await listAggregateReportCampaigns(settings);
+      setCampaigns(rows);
+      const requested = selectedFromUrl && rows.some((row) => row.id === selectedFromUrl)
+        ? selectedFromUrl
+        : rows[0]?.id ?? "";
+      if (requested !== selectedFromUrl) selectCampaign(requested);
+      if (!requested) setReport(null);
+    } catch (err) {
+      setError(err instanceof Error ? err.message : String(err));
+      setCampaigns([]);
+      setReport(null);
+    } finally {
+      setListLoading(false);
+    }
+  }, [settings, selectedFromUrl, selectCampaign]);
+
+  const loadReport = useCallback(async (campaignId: string) => {
+    if (!campaignId) {
+      setReport(null);
+      return;
+    }
+    const requestId = ++reportRequest.current;
+    setReportLoading(true);
+    setError("");
+    try {
+      const next = await getAggregateCampaignReport(settings, campaignId);
+      if (requestId === reportRequest.current) setReport(next);
+    } catch (err) {
+      if (requestId === reportRequest.current) {
+        setError(err instanceof Error ? err.message : String(err));
+        setReport(null);
+      }
+    } finally {
+      if (requestId === reportRequest.current) setReportLoading(false);
+    }
+  }, [settings]);
+
+  useEffect(() => {
+    void loadCampaigns();
+  }, [settings.apiBaseUrl, settings.apiKey, settings.accessToken]);
+
+  useEffect(() => {
+    if (!listLoading && selectedFromUrl && campaigns.some((row) => row.id === selectedFromUrl)) {
+      void loadReport(selectedFromUrl);
+    }
+  }, [campaigns, listLoading, loadReport, selectedFromUrl]);
+
+  const columns = useMemo<DataGridColumn<AggregateReportCampaignListItem>[]>(() => [
+    {
+      id: "campaign",
+      header: "i18n:govoplan-campaign.campaign.69390e16",
+      width: "minmax(260px, 1fr)",
+      sortable: true,
+      filterable: true,
+      sticky: "start",
+      render: (campaign) => (
+        <div>
+          <strong>{campaign.name}</strong>
+        </div>
+      ),
+      value: (campaign) => campaign.name
+    },
+    {
+      id: "status",
+      header: "i18n:govoplan-campaign.status.bae7d5be",
+      width: 170,
+      sortable: true,
+      filterable: true,
+      render: (campaign) => <StatusBadge status={campaign.status} />,
+      value: (campaign) => campaign.status
+    },
+    {
+      id: "updated",
+      header: "i18n:govoplan-campaign.updated.f2f8570d",
+      width: 190,
+      sortable: true,
+      filterable: true,
+      filterType: "date",
+      render: (campaign) => formatDateTime(campaign.updated_at),
+      value: (campaign) => campaign.updated_at
+    },
+    {
+      id: "actions",
+      header: "i18n:govoplan-campaign.actions.c3cd636a",
+      width: 72,
+      sticky: "end",
+      align: "right",
+      render: (campaign) => (
+        <TableActionGroup actions={[{
+          id: "view-aggregate-report",
+          label: "View aggregate report",
+          icon: <Eye aria-hidden="true" />,
+          variant: campaign.id === selectedFromUrl ? "primary" : "secondary",
+          disabled: campaign.id === selectedFromUrl,
+          disabledReason: campaign.id === selectedFromUrl ? "This report is already selected." : undefined,
+          onClick: () => selectCampaign(campaign.id)
+        }]} />
+      )
+    }
+  ], [selectCampaign, selectedFromUrl]);
+
+  const threshold = report?.privacy.small_cell_threshold ?? 5;
+  const outcomes = report?.outcomes;
+
+  return (
+    <div className="content-pad workspace-data-page">
+      <div className="page-heading split workspace-heading">
+        <div>
+          <PageTitle loading={listLoading || reportLoading}>i18n:govoplan-campaign.reports.88bc3fe3</PageTitle>
+          <p className="muted">Privacy-protected Campaign outcomes without recipient or delivery diagnostics.</p>
+        </div>
+        <div className="button-row compact-actions">
+          <Button
+            onClick={() => void Promise.all([loadCampaigns(), selectedFromUrl ? loadReport(selectedFromUrl) : Promise.resolve()])}
+            disabled={listLoading || reportLoading}
+          >
+            <RefreshCw size={16} aria-hidden="true" /> Refresh
+          </Button>
+        </div>
+      </div>
+
+      {error && <DismissibleAlert tone="danger" resetKey={error} floating>{error}</DismissibleAlert>}
+
+      <Card title="Campaign reports available to you">
+        <LoadingFrame loading={listLoading} label="Loading Campaign reports…">
+          <DataGrid
+            id="campaign-aggregate-report-list"
+            rows={campaigns}
+            columns={columns}
+            getRowKey={(campaign) => campaign.id}
+            initialSort={{ columnId: "updated", direction: "desc" }}
+            emptyText="No aggregate Campaign reports are available to you."
+          />
+        </LoadingFrame>
+      </Card>
+
+      <LoadingFrame loading={reportLoading} label="Loading aggregate Campaign report…">
+        {report && outcomes && (
+          <>
+            <Card title={report.campaign.name}>
+              <dl className="detail-list">
+                <div><dt>Status</dt><dd><StatusBadge status={report.campaign.status} /></dd></div>
+                <div><dt>Completion</dt><dd><StatusBadge status={report.completion_state} /></dd></div>
+                <div><dt>Version</dt><dd>{report.version_number ?? "—"}</dd></div>
+                <div><dt>Generated</dt><dd>{formatDateTime(report.generated_at)}</dd></div>
+              </dl>
+            </Card>
+
+            <div className="dashboard-grid">
+              <MetricCard label="SMTP accepted" value={countValue(outcomes.smtp_accepted)} tone="good" />
+              <MetricCard label="Failed" value={countValue(outcomes.failed)} tone="danger" />
+              <MetricCard label="Outcome unknown" value={countValue(outcomes.outcome_unknown)} tone="warning" />
+              <MetricCard label="Queued or active" value={countValue(outcomes.queued_or_active)} tone="info" />
+              <MetricCard label="Not attempted" value={countValue(outcomes.not_attempted)} />
+              <MetricCard label="Cancelled" value={countValue(outcomes.cancelled)} />
+              <MetricCard label="Excluded" value={countValue(outcomes.excluded)} />
+            </div>
+
+            <Card title="Population and exclusions">
+              <dl className="detail-list">
+                <div><dt>Report denominator</dt><dd>{countValue(report.population.denominator)}</dd></div>
+                <div><dt>Inactive source entries</dt><dd>{countValue(report.population.inactive_source_entries)}</dd></div>
+                <div><dt>Excluded or blocked jobs</dt><dd>{countValue(report.population.excluded_or_blocked_jobs)}</dd></div>
+              </dl>
+              <p className="muted">{report.population.denominator_definition}</p>
+            </Card>
+
+            <Card title="Delivery activity range">
+              <dl className="detail-list">
+                <div><dt>First activity</dt><dd>{report.time_range.suppressed ? "Suppressed" : formatDateTime(report.time_range.first_activity_at ?? undefined)}</dd></div>
+                <div><dt>Last activity</dt><dd>{report.time_range.suppressed ? "Suppressed" : formatDateTime(report.time_range.last_activity_at ?? undefined)}</dd></div>
+              </dl>
+            </Card>
+
+            <Card title="Privacy boundary">
+              <p>{report.privacy.rule}</p>
+              <p className="muted">
+                Small-cell threshold: {threshold}. Suppressed values cannot be opened, filtered, exported, or inspected from this view.
+              </p>
+            </Card>
+          </>
+        )}
+      </LoadingFrame>
+    </div>
+  );
+}
+
+function countValue(count: AggregateReportCount): string | number {
+  return count.suppressed ? "Suppressed" : count.value ?? "—";
+}
diff --git a/webui/tests/aggregate-report-ui-structure.test.mjs b/webui/tests/aggregate-report-ui-structure.test.mjs
new file mode 100644
index 0000000..ec7e313
--- /dev/null
+++ b/webui/tests/aggregate-report-ui-structure.test.mjs
@@ -0,0 +1,21 @@
+import assert from "node:assert/strict";
+import { readFileSync } from "node:fs";
+
+const api = readFileSync("src/api/campaigns.ts", "utf8");
+const page = readFileSync("src/features/reports/AggregateReportsPage.tsx", "utf8");
+
+assert(api.includes('"/api/v1/campaigns/aggregate-reports"'), "the report list uses the safe aggregate collection");
+assert(api.includes("/api/v1/campaigns/aggregate-reports/${encodeURIComponent(campaignId)}"), "the selected report uses the safe aggregate projection");
+
+assert(page.includes("listAggregateReportCampaigns"), "the page loads only the safe Campaign selector projection");
+assert(page.includes("getAggregateCampaignReport"), "the page loads only the safe aggregate report projection");
+assert(!page.includes("getCampaignReport"), "the aggregate page cannot load the recipient-aware full report");
+assert(!page.includes("getCampaignJobs"), "the aggregate page cannot cache recipient jobs");
+assert(!page.includes("getCampaignJobDetail"), "the aggregate page has no detail route");
+assert(!page.includes("downloadCampaignJobsCsv"), "the aggregate page has no export path");
+assert(!page.includes("localStorage"), "the aggregate page does not persist report data in local storage");
+assert(!page.includes("sessionStorage"), "the aggregate page does not persist report data in session storage");
+assert(page.includes("TableActionGroup"), "campaign selection uses the central icon-only table action group");
+assert(page.includes("disabled: campaign.id === selectedFromUrl"), "the selected row action stays visible and disabled");
+
+console.log("aggregate report UI structure checks passed");
diff --git a/webui/tsconfig.aggregate-report-tests.json b/webui/tsconfig.aggregate-report-tests.json
new file mode 100644
index 0000000..6597626
--- /dev/null
+++ b/webui/tsconfig.aggregate-report-tests.json
@@ -0,0 +1,30 @@
+{
+  "extends": "../../govoplan-core/webui/tsconfig.json",
+  "compilerOptions": {
+    "noUnusedLocals": true,
+    "noUnusedParameters": true,
+    "baseUrl": ".",
+    "paths": {
+      "@govoplan/core-webui": [
+        "../../govoplan-core/webui/src/index.ts"
+      ],
+      "@govoplan/core-webui/app": [
+        "../../govoplan-core/webui/src/app.ts"
+      ],
+      "react": [
+        "../../govoplan-core/webui/node_modules/@types/react/index.d.ts"
+      ],
+      "react/jsx-runtime": [
+        "../../govoplan-core/webui/node_modules/@types/react/jsx-runtime.d.ts"
+      ]
+    },
+    "typeRoots": [
+      "../../govoplan-core/webui/node_modules/@types"
+    ]
+  },
+  "include": [],
+  "files": [
+    "../../govoplan-core/webui/src/vite-env.d.ts",
+    "src/features/reports/AggregateReportsPage.tsx"
+  ]
+}