diff --git a/site/source/components/Simulation/Questions.tsx b/site/source/components/Simulation/Questions.tsx
index 4c5e909ec..6a18347c4 100644
--- a/site/source/components/Simulation/Questions.tsx
+++ b/site/source/components/Simulation/Questions.tsx
@@ -27,14 +27,14 @@ export function Questions({
 }: {
 	customEndMessages?: ConversationProps['customEndMessages']
 }) {
-	const progress = useSimulationProgress()
+	const { numberCurrentStep, numberSteps } = useSimulationProgress()
 
 	return (
 		<>
-			<Progress progress={progress} />
+			<Progress progress={numberCurrentStep} maxValue={numberSteps} />
 			<QuestionsContainer>
 				<div className="print-hidden">
-					{progress < 1 && (
+					{numberCurrentStep < numberSteps && (
 						<Notice>
 							<Trans i18nKey="simulateurs.précision.défaut">
 								Améliorez votre simulation en répondant aux questions :
diff --git a/site/source/components/Simulation/SimulationGoals.tsx b/site/source/components/Simulation/SimulationGoals.tsx
index 9aef9730e..8b9d6e9df 100644
--- a/site/source/components/Simulation/SimulationGoals.tsx
+++ b/site/source/components/Simulation/SimulationGoals.tsx
@@ -40,6 +40,7 @@ export function SimulationGoals({
 				publique={publique}
 				role="group"
 				aria-labelledby="simulator-legend"
+				aria-live="polite"
 			>
 				<ThemeProvider theme={(theme) => ({ ...theme, darkMode: true })}>
 					<div className="sr-only" id="simulator-legend">
diff --git a/site/source/components/conversation/TextInput.tsx b/site/source/components/conversation/TextInput.tsx
index 6472ef65a..777e6f1bf 100644
--- a/site/source/components/conversation/TextInput.tsx
+++ b/site/source/components/conversation/TextInput.tsx
@@ -10,6 +10,7 @@ export default function TextInput({
 	description,
 	title,
 	missing,
+	autoFocus,
 }: InputProps & { value: Evaluation<string> }) {
 	const debouncedOnChange = useCallback(debounce(1000, onChange), [])
 
@@ -17,6 +18,8 @@ export default function TextInput({
 		<TextField
 			type="text"
 			label={title}
+			// eslint-disable-next-line jsx-a11y/no-autofocus
+			autoFocus={autoFocus}
 			onChange={(value) => {
 				debouncedOnChange(`'${value}'`)
 			}}
diff --git a/site/source/components/ui/Progress.tsx b/site/source/components/ui/Progress.tsx
index 5c679b6b4..2ab12445c 100644
--- a/site/source/components/ui/Progress.tsx
+++ b/site/source/components/ui/Progress.tsx
@@ -3,28 +3,40 @@ import styled from 'styled-components'
 
 type ProgressProps = {
 	progress: number
+	minValue?: number
+	maxValue?: number
+	step?: number
 }
 
-export default function Progress({ progress }: ProgressProps) {
+export default function Progress({
+	progress,
+	minValue = 0,
+	maxValue = 1,
+	step = 1,
+}: ProgressProps) {
 	const propsBar = {
 		showValueLabel: false,
-		label: 'Précision de votre simulation',
-		minValue: 0,
-		maxValue: 1,
+		label: 'Précisions concernant votre simulation',
+		minValue,
+		maxValue,
 		value: progress,
 	}
 
+	const a11yPrefixLabel = `Étape ${progress + step} sur ${String(maxValue)}, `
+
 	const { progressBarProps, labelProps } = useProgressBar(propsBar)
 
 	return (
-		<>
-			<span {...labelProps} className="sr-only">
-				{propsBar.label}
+		<div aria-live="polite">
+			<span {...labelProps} className="sr-only" aria-hidden>
+				{`${a11yPrefixLabel} ${propsBar.label}`}
 			</span>
 			<ProgressContainer {...progressBarProps}>
-				<ProgressBar style={{ width: `${progress * 100}%` }} />
+				<ProgressBar
+					style={{ width: `${(progress * 100) / (maxValue || 1)}%` }}
+				/>
 			</ProgressContainer>
-		</>
+		</div>
 	)
 }
 
diff --git a/site/source/components/utils/useNextQuestion.tsx b/site/source/components/utils/useNextQuestion.tsx
index 74d3c9278..336da82e4 100644
--- a/site/source/components/utils/useNextQuestion.tsx
+++ b/site/source/components/utils/useNextQuestion.tsx
@@ -173,9 +173,18 @@ export const useNextQuestions = function (): Array<DottedName> {
 	return nextQuestions
 }
 
-export function useSimulationProgress(): number {
+export function useSimulationProgress(): {
+	progressRatio: number
+	numberCurrentStep: number
+	numberSteps: number
+} {
 	const numberQuestionAnswered = useSelector(answeredQuestionsSelector).length
 	const numberQuestionLeft = useNextQuestions().length
 
-	return numberQuestionAnswered / (numberQuestionAnswered + numberQuestionLeft)
+	return {
+		progressRatio:
+			numberQuestionAnswered / (numberQuestionAnswered + numberQuestionLeft),
+		numberCurrentStep: numberQuestionAnswered,
+		numberSteps: numberQuestionAnswered + numberQuestionLeft,
+	}
 }
diff --git a/site/source/pages/gerer/declaration-revenu-independants/cotisations.tsx b/site/source/pages/gerer/declaration-revenu-independants/cotisations.tsx
index 05c0a61fa..acae95c3b 100644
--- a/site/source/pages/gerer/declaration-revenu-independants/cotisations.tsx
+++ b/site/source/pages/gerer/declaration-revenu-independants/cotisations.tsx
@@ -16,7 +16,7 @@ import { SimpleField } from '../_components/Fields'
 import { DéclarationRevenu } from './_components/DéclarationRevenu'
 
 export default function Cotisations() {
-	const progress = useSimulationProgress()
+	const { numberCurrentStep, numberSteps } = useSimulationProgress()
 	const engine = useEngine()
 
 	return (
@@ -100,7 +100,10 @@ export default function Cotisations() {
 													margin: 0 -1.5rem;
 												`}
 											>
-												<Progress progress={progress} />
+												<Progress
+													progress={numberCurrentStep}
+													maxValue={numberSteps}
+												/>
 											</div>
 										</div>
 									</Message>
diff --git a/site/source/pages/gerer/declaration-revenu-independants/index.tsx b/site/source/pages/gerer/declaration-revenu-independants/index.tsx
index 28cdc737b..dac13e225 100644
--- a/site/source/pages/gerer/declaration-revenu-independants/index.tsx
+++ b/site/source/pages/gerer/declaration-revenu-independants/index.tsx
@@ -88,7 +88,7 @@ function useSteps() {
 	const step1Progress = useProgress(Step1Objectifs)
 	const step2Progress = useProgress(Step2Objectifs)
 	const step3Progress = useProgress(useStep3Objectifs())
-	const step4Progress = useSimulationProgress()
+	const { progressRatio: step4Progress } = useSimulationProgress()
 	const casExcluStep1 = useEngine().evaluate('DRI . cas exclus ')
 		.nodeValue as boolean
 	const casExcluStep2 = useEngine().evaluate('DRI . imposition cas exclus')