diff --git a/src/main/fileSystem.ts b/src/main/fileSystem.ts
index cfdbf1c..8fb1464 100644
--- a/src/main/fileSystem.ts
+++ b/src/main/fileSystem.ts
@@ -69,3 +69,33 @@ export async function writeMarkdownFile(filePath: string, content: string): Prom
   assertInDraftRoot(filePath)
   await writeFile(filePath, content, 'utf-8')
 }
+
+function countWords(text: string): number {
+  return text.trim() === '' ? 0 : text.trim().split(/\s+/).length
+}
+
+async function collectMarkdownPaths(dir: string): Promise<string[]> {
+  const entries = await readdir(dir, { withFileTypes: true })
+  const paths: string[] = []
+  for (const entry of entries) {
+    if (entry.name.startsWith('.')) continue
+    const fullPath = join(dir, entry.name)
+    if (entry.isDirectory()) {
+      const nested = await collectMarkdownPaths(fullPath)
+      paths.push(...nested)
+    } else if (entry.name.endsWith('.md')) {
+      paths.push(fullPath)
+    }
+  }
+  return paths
+}
+
+export async function getProjectWordCount(): Promise<number> {
+  const paths = await collectMarkdownPaths(DRAFT_ROOT)
+  let total = 0
+  for (const p of paths) {
+    const content = await readFile(p, 'utf-8')
+    total += countWords(content)
+  }
+  return total
+}
diff --git a/src/main/ipcHandlers.ts b/src/main/ipcHandlers.ts
index fbd326a..e104e84 100644
--- a/src/main/ipcHandlers.ts
+++ b/src/main/ipcHandlers.ts
@@ -1,5 +1,5 @@
 import { ipcMain } from 'electron'
-import { listDraftFiles, readMarkdownFile, writeMarkdownFile } from './fileSystem'
+import { listDraftFiles, readMarkdownFile, writeMarkdownFile, getProjectWordCount } from './fileSystem'
 import { streamMessage } from './aiService'
 import type { AIPayload } from '../renderer/types/editor'
 
@@ -16,6 +16,10 @@ export function registerIpcHandlers(): void {
     await writeMarkdownFile(filePath, content)
   })
 
+  ipcMain.handle('fs:projectWordCount', async () => {
+    return await getProjectWordCount()
+  })
+
   ipcMain.handle('ai:streamMessage', async (event, payload: AIPayload) => {
     try {
       await streamMessage(payload, (chunk: string) => {
diff --git a/src/preload/index.ts b/src/preload/index.ts
index 9bbc466..81faac6 100644
--- a/src/preload/index.ts
+++ b/src/preload/index.ts
@@ -43,5 +43,7 @@ contextBridge.exposeInMainWorld('api', {
     ipcRenderer.removeAllListeners('ai:chunk')
     ipcRenderer.removeAllListeners('ai:done')
     ipcRenderer.removeAllListeners('ai:error')
-  }
+  },
+
+  getProjectWordCount: (): Promise<number> => ipcRenderer.invoke('fs:projectWordCount')
 })
diff --git a/src/renderer/components/Toolbar/AnalysisToolbar.tsx b/src/renderer/components/Toolbar/AnalysisToolbar.tsx
index 7be6327..b5e83a0 100644
--- a/src/renderer/components/Toolbar/AnalysisToolbar.tsx
+++ b/src/renderer/components/Toolbar/AnalysisToolbar.tsx
@@ -1,8 +1,18 @@
+import { useEffect } from 'react'
 import { useEditorStore } from '../../store/editorStore'
 import { detectPassiveVoice } from '../../utils/passiveVoice'
 import { parseAnnotationsFromAIResponse } from '../../utils/annotationParser'
 import './Toolbar.css'
 
+function countWords(text: string): number {
+  return text.trim() === '' ? 0 : text.trim().split(/\s+/).length
+}
+
+function formatWordCount(n: number): string {
+  if (n >= 1000) return `${(n / 1000).toFixed(1)}k`
+  return String(n)
+}
+
 export function AnalysisToolbar(): JSX.Element {
   const {
     activeFilePath,
@@ -19,9 +29,22 @@ export function AnalysisToolbar(): JSX.Element {
     appendToLastAssistantMessage,
     setAILoading,
     setAIError,
-    chatHistory
+    chatHistory,
+    projectWordCount,
+    setProjectWordCount
   } = useEditorStore()
 
+  useEffect(() => {
+    window.api.getProjectWordCount().then(setProjectWordCount).catch(() => {})
+  }, [])
+
+  // Refresh project count after a save (isDirty transitions from true → false)
+  useEffect(() => {
+    if (!isDirty) {
+      window.api.getProjectWordCount().then(setProjectWordCount).catch(() => {})
+    }
+  }, [isDirty])
+
   const hasFile = Boolean(activeFilePath)
 
   const runPassiveVoice = (): void => {
@@ -78,6 +101,7 @@ export function AnalysisToolbar(): JSX.Element {
 
   const passiveCount = annotations.filter((a) => a.type === 'passive_voice').length
   const otherCount = annotations.filter((a) => a.type !== 'passive_voice').length
+  const docWordCount = countWords(activeFileContent)
 
   return (
     <div className="toolbar">
@@ -130,6 +154,16 @@ export function AnalysisToolbar(): JSX.Element {
       </div>
 
       <div className="toolbar-right">
+        {activeFilePath && (
+          <span
+            className="toolbar-wordcount"
+            title={`This document: ${docWordCount.toLocaleString()} words · Entire project: ${projectWordCount.toLocaleString()} words`}
+          >
+            {formatWordCount(docWordCount)}
+            <span className="toolbar-wordcount-sep">/</span>
+            {formatWordCount(projectWordCount)}
+          </span>
+        )}
         {isDirty && (
           <span className="toolbar-dirty" title="Unsaved changes — press Cmd+S to save">
             ●
diff --git a/src/renderer/components/Toolbar/Toolbar.css b/src/renderer/components/Toolbar/Toolbar.css
index 1877607..03ce930 100644
--- a/src/renderer/components/Toolbar/Toolbar.css
+++ b/src/renderer/components/Toolbar/Toolbar.css
@@ -95,3 +95,17 @@
   white-space: nowrap;
   max-width: 260px;
 }
+
+.toolbar-wordcount {
+  color: var(--text-muted);
+  font-size: 11px;
+  font-family: var(--font-sans);
+  white-space: nowrap;
+  flex-shrink: 0;
+  cursor: default;
+}
+
+.toolbar-wordcount-sep {
+  margin: 0 3px;
+  opacity: 0.5;
+}
diff --git a/src/renderer/store/editorStore.ts b/src/renderer/store/editorStore.ts
index bb5c067..6b05811 100644
--- a/src/renderer/store/editorStore.ts
+++ b/src/renderer/store/editorStore.ts
@@ -34,6 +34,10 @@ interface EditorState {
   // Analysis mode
   analysisMode: AnalysisMode
   setAnalysisMode: (mode: AnalysisMode) => void
+
+  // Word counts
+  projectWordCount: number
+  setProjectWordCount: (count: number) => void
 }
 
 export const useEditorStore = create<EditorState>((set, get) => ({
@@ -115,5 +119,8 @@ export const useEditorStore = create<EditorState>((set, get) => ({
   clearAnnotations: () => set({ annotations: [], analysisMode: 'none' }),
 
   analysisMode: 'none',
-  setAnalysisMode: (analysisMode) => set({ analysisMode })
+  setAnalysisMode: (analysisMode) => set({ analysisMode }),
+
+  projectWordCount: 0,
+  setProjectWordCount: (projectWordCount) => set({ projectWordCount })
 }))
diff --git a/src/renderer/types/global.d.ts b/src/renderer/types/global.d.ts
index 9ca7abf..956f470 100644
--- a/src/renderer/types/global.d.ts
+++ b/src/renderer/types/global.d.ts
@@ -11,6 +11,7 @@ declare global {
         onChunk: (chunk: string) => void
       ) => Promise<void>
       removeAIListener: () => void
+      getProjectWordCount: () => Promise<number>
     }
   }
 }