diff --git a/gerbil-manager-web/src/App.tsx b/gerbil-manager-web/src/App.tsx
index 6af97cb..5243e54 100644
--- a/gerbil-manager-web/src/App.tsx
+++ b/gerbil-manager-web/src/App.tsx
@@ -16,6 +16,7 @@ import WurfDetailPage from './pages/WurfDetailPage'
 import WurfFormPage from './pages/WurfFormPage'
 import NotFoundPage from './pages/NotFoundPage'
 import StammbaumPage from './pages/StammbaumPage'
+import StatistikPage from './pages/StatistikPage'
 
 export default function App() {
   return (
@@ -50,6 +51,7 @@ export default function App() {
             <Route path=":id/bearbeiten" element={<KontaktFormPage />} />
           </Route>
           <Route path="genetik" element={<GenetikPage />} />
+          <Route path="statistik" element={<StatistikPage />} />
           <Route path="*" element={<NotFoundPage />} />
         </Route>
       </Routes>
diff --git a/gerbil-manager-web/src/components/AppShell.tsx b/gerbil-manager-web/src/components/AppShell.tsx
index 07d54e8..631bd60 100644
--- a/gerbil-manager-web/src/components/AppShell.tsx
+++ b/gerbil-manager-web/src/components/AppShell.tsx
@@ -8,6 +8,9 @@ const navItems = [
   { to: '/becken', label: de.nav.enclosures, icon: '🛁', end: false },
   { to: '/kontakte', label: de.nav.contacts, icon: '📇', end: false },
   { to: '/genetik', label: de.nav.genetics, icon: '🧬', end: false },
+  // FEAT-7: vorerst 7. Tab; „Mehr“-Overflow für das Smartphone ist mit Kevin
+  // abgestimmt (FEAT-7-Konversation) und ersetzt diesen Eintrag dann.
+  { to: '/statistik', label: de.nav.statistics, icon: '📊', end: false },
 ]
 
 /**
diff --git a/gerbil-manager-web/src/components/BarChart.css b/gerbil-manager-web/src/components/BarChart.css
new file mode 100644
index 0000000..7cd198e
--- /dev/null
+++ b/gerbil-manager-web/src/components/BarChart.css
@@ -0,0 +1,28 @@
+/* FEAT-7: Stile des SVG-Balkendiagramms (BarChart.tsx). */
+
+.bar-chart {
+  width: 100%;
+  height: auto;
+  display: block;
+}
+
+.bar-chart__axis {
+  stroke: var(--color-border);
+  stroke-width: 1;
+}
+
+.bar-chart__bar {
+  fill: var(--color-accent);
+  opacity: 0.85;
+}
+
+.bar-chart__value {
+  font-size: 12px;
+  fill: var(--color-text);
+  font-weight: 600;
+}
+
+.bar-chart__label {
+  font-size: 12px;
+  fill: var(--color-text-muted);
+}
diff --git a/gerbil-manager-web/src/components/BarChart.tsx b/gerbil-manager-web/src/components/BarChart.tsx
new file mode 100644
index 0000000..8545b5c
--- /dev/null
+++ b/gerbil-manager-web/src/components/BarChart.tsx
@@ -0,0 +1,79 @@
+/**
+ * FEAT-7: Schlichtes, responsives SVG-Balkendiagramm (eine Serie) —
+ * Geschwister von LineChart (FEAT-6), gleiche Konventionen: kein
+ * Chart-Paket, viewBox-skaliert, __axis/__grid/__label-Klassen.
+ * Eigene CSS-Datei (Standing-Rule-2-Muster: seitennahe Stile kapseln).
+ */
+import './BarChart.css'
+
+export interface Bar {
+  label: string
+  value: number
+}
+
+interface Props {
+  bars: Bar[]
+  /** Zugänglicher Titel des Diagramms. */
+  title: string
+  /** Nachkommastellen der Wertbeschriftung (Standard 0). */
+  decimals?: number
+}
+
+const W = 600
+const H = 240
+const PAD = { top: 24, right: 12, bottom: 28, left: 12 }
+
+export default function BarChart({ bars, title, decimals = 0 }: Props) {
+  const innerW = W - PAD.left - PAD.right
+  const innerH = H - PAD.top - PAD.bottom
+  const max = Math.max(...bars.map((b) => b.value), 1)
+  const slot = innerW / bars.length
+  const barW = Math.min(56, slot * 0.6)
+
+  const format = (v: number) =>
+    v.toLocaleString('de-DE', { minimumFractionDigits: 0, maximumFractionDigits: decimals })
+
+  return (
+    <svg
+      className="bar-chart"
+      viewBox={`0 0 ${W} ${H}`}
+      role="img"
+      aria-label={title}
+      preserveAspectRatio="xMidYMid meet"
+    >
+      <line
+        x1={PAD.left}
+        y1={H - PAD.bottom}
+        x2={W - PAD.right}
+        y2={H - PAD.bottom}
+        className="bar-chart__axis"
+      />
+      {bars.map((bar, i) => {
+        const h = (bar.value / max) * innerH
+        const x = PAD.left + i * slot + (slot - barW) / 2
+        const y = H - PAD.bottom - h
+        return (
+          <g key={bar.label}>
+            <rect x={x} y={y} width={barW} height={h} rx={3} className="bar-chart__bar" />
+            <text
+              x={x + barW / 2}
+              y={y - 6}
+              textAnchor="middle"
+              className="bar-chart__value"
+            >
+              {format(bar.value)}
+            </text>
+            <text
+              x={x + barW / 2}
+              y={H - PAD.bottom + 18}
+              textAnchor="middle"
+              className="bar-chart__label"
+            >
+              {bar.label}
+            </text>
+          </g>
+        )
+      })}
+    </svg>
+  )
+}
diff --git a/gerbil-manager-web/src/pages/StatistikPage.tsx b/gerbil-manager-web/src/pages/StatistikPage.tsx
new file mode 100644
index 0000000..0948021
--- /dev/null
+++ b/gerbil-manager-web/src/pages/StatistikPage.tsx
@@ -0,0 +1,206 @@
+/**
+ * FEAT-7: Statistik & Berichte (/statistik).
+ *
+ * Lädt Tiere + Würfe + Farbschläge komplett (kleine Bestände, Gridify-paged,
+ * notfalls mehrseitig) und wertet clientseitig über die reinen Funktionen in
+ * src/statistics aus. Diagramme: BarChart (FEAT-7), LineChart (FEAT-6,
+ * unverändert wiederverwendet), div-basierte horizontale Balken für die
+ * Farbschlag-Verteilung (eingefärbt über die FEAT-4-Chipfarben).
+ */
+import { useCallback, useMemo, type ReactNode } from 'react'
+import { de } from '../strings/de'
+import { listGerbils } from '../api/gerbils'
+import { listLitters } from '../api/litters'
+import { listColorVarieties } from '../api/lookups'
+import type { GridifyQuery } from '../api/gridify'
+import type { Gerbil, Paged } from '../api/types'
+import { useApi } from '../hooks/useApi'
+import { UNKNOWN_FARBSCHLAG, fromDisplayString, genotypeToFarbschlag } from '../genetics'
+import {
+  avgLitterSizePerYear,
+  farbschlagDistribution,
+  littersPerYear,
+  lossesPerYear,
+  populationOverTime,
+  type YearValue,
+} from '../statistics/aggregate'
+import BarChart from '../components/BarChart'
+import LineChart from '../components/LineChart'
+import { chipColorFor } from '../pedigree/chipColors'
+import './statistik.css'
+
+/** Alle Seiten eines Gridify-Listen-Endpunkts einsammeln (kleine Bestände). */
+async function allPages<T>(fetchPage: (q: GridifyQuery) => Promise<Paged<T>>): Promise<T[]> {
+  const first = await fetchPage({ page: 1, pageSize: 1000 })
+  const items = [...first.items]
+  let page = 2
+  while (items.length < first.totalCount && page <= 10) {
+    const next = await fetchPage({ page, pageSize: 1000 })
+    if (next.items.length === 0) break
+    items.push(...next.items)
+    page++
+  }
+  return items
+}
+
+const toBars = (rows: YearValue[]) =>
+  rows.map((r) => ({ label: String(r.year), value: r.value }))
+
+function Section({
+  title,
+  hint,
+  children,
+}: {
+  title: string
+  hint?: string
+  children: ReactNode
+}) {
+  return (
+    <section className="statistik-card">
+      <h3>{title}</h3>
+      {hint && <p className="statistik-card__hint">{hint}</p>}
+      {children}
+    </section>
+  )
+}
+
+export default function StatistikPage() {
+  const t = de.pages.statistik
+
+  const gerbils = useApi(() => allPages((q) => listGerbils(q)), [])
+  const litters = useApi(() => allPages((q) => listLitters(q)), [])
+  const colorVarieties = useApi(() => listColorVarieties(), [])
+
+  const colorNameById = useMemo(
+    () => new Map((colorVarieties.data ?? []).map((c) => [c.id, c.name])),
+    [colorVarieties.data],
+  )
+  const farbschlagOf = useCallback(
+    (g: Gerbil): string | null => {
+      const byId = g.colorVarietyId ? colorNameById.get(g.colorVarietyId) : undefined
+      if (byId) return byId
+      if (g.genotype && g.genotype.trim()) {
+        try {
+          const name = genotypeToFarbschlag(fromDisplayString(g.genotype))
+          return name === UNKNOWN_FARBSCHLAG ? null : name
+        } catch {
+          return null
+        }
+      }
+      return null
+    },
+    [colorNameById],
+  )
+
+  const todayIso = new Date().toISOString().slice(0, 10)
+  const stats = useMemo(() => {
+    if (!gerbils.data || !litters.data) return null
+    return {
+      littersPerYear: littersPerYear(litters.data),
+      avgLitterSize: avgLitterSizePerYear(litters.data),
+      farbschlag: farbschlagDistribution(gerbils.data, farbschlagOf),
+      population: populationOverTime(gerbils.data, todayIso),
+      losses: lossesPerYear(gerbils.data),
+    }
+  }, [gerbils.data, litters.data, farbschlagOf, todayIso])
+
+  if (gerbils.loading || litters.loading) return <p className="muted">{de.common.loading}</p>
+  const loadError = gerbils.error ?? litters.error
+  if (loadError || !stats) {
+    return (
+      <section className="page">
+        <h2>{t.title}</h2>
+        <div className="alert alert--error">
+          <span>{loadError ?? de.api.errors.unknown}</span>
+          <button
+            type="button"
+            className="btn"
+            onClick={() => {
+              gerbils.reload()
+              litters.reload()
+            }}
+          >
+            {de.common.retry}
+          </button>
+        </div>
+      </section>
+    )
+  }
+
+  const noData = gerbils.data!.length === 0 && litters.data!.length === 0
+  const maxFarbschlagCount = Math.max(...stats.farbschlag.map((e) => e.count), 1)
+
+  return (
+    <section className="page">
+      <h2>{t.title}</h2>
+
+      {noData ? (
+        <p className="muted">{t.empty}</p>
+      ) : (
+        <div className="statistik-grid">
+          <Section title={t.littersPerYear}>
+            {stats.littersPerYear.length > 0 ? (
+              <BarChart bars={toBars(stats.littersPerYear)} title={t.littersPerYear} />
+            ) : (
+              <p className="muted">{t.sectionEmpty}</p>
+            )}
+          </Section>
+
+          <Section title={t.avgLitterSize} hint={t.avgLitterSizeHint}>
+            {stats.avgLitterSize.length > 0 ? (
+              <BarChart bars={toBars(stats.avgLitterSize)} title={t.avgLitterSize} decimals={1} />
+            ) : (
+              <p className="muted">{t.sectionEmpty}</p>
+            )}
+          </Section>
+
+          <Section title={t.farbschlag} hint={t.farbschlagHint}>
+            {stats.farbschlag.length > 0 ? (
+              <ul className="hbar-list">
+                {stats.farbschlag.map((entry) => {
+                  const name = entry.name ?? t.withoutFarbschlag
+                  const chip = entry.name ? chipColorFor(entry.name) : null
+                  return (
+                    <li key={name} className="hbar">
+                      <span className="hbar__label" title={name}>
+                        {name}
+                      </span>
+                      <span className="hbar__track">
+                        <span
+                          className="hbar__fill"
+                          style={{
+                            width: `${(entry.count / maxFarbschlagCount) * 100}%`,
+                            background: chip?.bg,
+                          }}
+                        />
+                      </span>
+                      <span className="hbar__count">{entry.count}</span>
+                    </li>
+                  )
+                })}
+              </ul>
+            ) : (
+              <p className="muted">{t.sectionEmpty}</p>
+            )}
+          </Section>
+
+          <Section title={t.population} hint={t.populationHint}>
+            {stats.population.length >= 2 ? (
+              <LineChart points={stats.population} unit={t.populationUnit} title={t.population} />
+            ) : (
+              <p className="muted">{t.sectionEmpty}</p>
+            )}
+          </Section>
+
+          <Section title={t.losses} hint={t.lossesHint}>
+            {stats.losses.length > 0 ? (
+              <BarChart bars={toBars(stats.losses)} title={t.losses} />
+            ) : (
+              <p className="muted">{t.sectionEmpty}</p>
+            )}
+          </Section>
+        </div>
+      )}
+    </section>
+  )
+}
diff --git a/gerbil-manager-web/src/pages/statistik.css b/gerbil-manager-web/src/pages/statistik.css
new file mode 100644
index 0000000..4740a21
--- /dev/null
+++ b/gerbil-manager-web/src/pages/statistik.css
@@ -0,0 +1,80 @@
+/* FEAT-7: Statistik & Berichte — seitenspezifische Stile
+   (Standing-Rule-2-Muster: eigene Datei statt index.css). */
+
+.statistik-grid {
+  display: grid;
+  grid-template-columns: 1fr;
+  gap: 1rem;
+  margin-top: 1rem;
+}
+
+@media (min-width: 900px) {
+  .statistik-grid {
+    grid-template-columns: 1fr 1fr;
+  }
+}
+
+.statistik-card {
+  background: var(--color-surface);
+  border: 1px solid var(--color-border);
+  border-radius: 0.6rem;
+  padding: 1rem;
+}
+
+.statistik-card h3 {
+  margin: 0 0 0.25rem;
+  font-size: 1rem;
+}
+
+.statistik-card__hint {
+  margin: 0 0 0.75rem;
+  font-size: 0.8rem;
+  color: var(--color-text-muted);
+}
+
+/* ── Horizontale Balken (Farbschlag-Verteilung) ── */
+
+.hbar-list {
+  list-style: none;
+  margin: 0;
+  padding: 0;
+  display: flex;
+  flex-direction: column;
+  gap: 0.45rem;
+}
+
+.hbar {
+  display: grid;
+  grid-template-columns: minmax(6rem, 10rem) 1fr 2.25rem;
+  align-items: center;
+  gap: 0.6rem;
+}
+
+.hbar__label {
+  font-size: 0.82rem;
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
+.hbar__track {
+  background: var(--color-bg);
+  border: 1px solid var(--color-border);
+  border-radius: 1rem;
+  height: 0.85rem;
+  overflow: hidden;
+}
+
+.hbar__fill {
+  display: block;
+  height: 100%;
+  border-radius: 1rem;
+  background: var(--color-accent);
+  min-width: 2px;
+}
+
+.hbar__count {
+  font-size: 0.82rem;
+  font-weight: 600;
+  text-align: right;
+}
diff --git a/gerbil-manager-web/src/strings/de.ts b/gerbil-manager-web/src/strings/de.ts
index 5f4936c..51365a0 100644
--- a/gerbil-manager-web/src/strings/de.ts
+++ b/gerbil-manager-web/src/strings/de.ts
@@ -17,6 +17,8 @@ export const de = {
     // FEAT-2 (Oscar): Becken + Kontakte
     enclosures: 'Becken',
     contacts: 'Kontakte',
+    // FEAT-7 (Kelly): Statistik
+    statistics: 'Statistik',
     openMenu: 'Menü öffnen',
     closeMenu: 'Menü schließen',
     mainNavigation: 'Hauptnavigation',
@@ -284,6 +286,25 @@ export const de = {
         born: 'geb.',
       },
     },
+    // ── FEAT-7 (Kelly): Statistik & Berichte ──
+    statistik: {
+      title: 'Statistik & Berichte',
+      empty:
+        'Noch keine Daten — lege zuerst Tiere und Würfe an oder importiere deinen Bestand.',
+      sectionEmpty: 'Noch keine Daten für diese Auswertung.',
+      littersPerYear: 'Würfe pro Jahr',
+      avgLitterSize: 'Durchschnittliche Wurfstärke pro Jahr',
+      avgLitterSizeHint: 'Nur Würfe mit erfasster Wurfstärke.',
+      farbschlag: 'Farbschlag-Verteilung',
+      farbschlagHint: 'Nur aktive Tiere.',
+      withoutFarbschlag: 'ohne Farbschlag',
+      population: 'Bestandsentwicklung',
+      populationHint:
+        'Lebende, nicht abgegebene Tiere im Zeitverlauf. Tiere ohne Geburtsdatum sind nicht enthalten.',
+      populationUnit: 'Tiere',
+      losses: 'Verluste pro Jahr',
+      lossesHint: 'Verstorbene Tiere nach Todesjahr.',
+    },
     // ── FEAT-2 (Oscar): Kontakte (Contacts — Herkunft/Abnehmer) ──
     kontakte: {
       title: 'Kontakte',