diff --git a/templates/zerver/new_user_email_address_visibility.html b/templates/zerver/new_user_email_address_visibility.html
index 443986d637..c38e8e37f8 100644
--- a/templates/zerver/new_user_email_address_visibility.html
+++ b/templates/zerver/new_user_email_address_visibility.html
@@ -1,5 +1,5 @@
 <p id="new-user-email-address-visibility" class="registration-form-hint">
-    <input type="hidden" name="email_address_visibility" id="email_address_visibility"/>
+    <input type="hidden" name="email_address_visibility" value="{{ default_email_address_visibility }}" id="email_address_visibility"/>
     <span class="current-selected-option">
         {% if default_email_address_visibility == email_address_visibility_admins_only %}
             {% trans %}Administrators of this Zulip organization will be able to see this email address.
diff --git a/templates/zerver/slack_import.html b/templates/zerver/slack_import.html
index 0cd3d600fe..d71096cb8b 100644
--- a/templates/zerver/slack_import.html
+++ b/templates/zerver/slack_import.html
@@ -82,6 +82,22 @@
                         <label for="uploaded-file-info">{{ _("Uploaded export file") }}</label>
                         <div class="not-editable-realm-field" id="slack-import-uploaded-file-name">{{ uploaded_import_file_name }}</div>
                     </div>
+                    <div class="input-group input-box" id="email-address-visibility-select-wrapper">
+                        <label for="email-address-visibility-select">
+                            {{ _("By default, who will be allowed to see other users' email addresses?") }}
+                            <br />
+                            <span id="email-address-visibility-help-text">
+                                {% trans %}
+                                Users can <a href="https://zulip.com/help/configure-email-visibility" target="_blank">change</a> their email visibility configuration when they log in.
+                                {% endtrans %}
+                            </span>
+                        </label>
+                        <select id="email-address-visibility-select" name="email_address_visibility" class="required">
+                            {% for value, label in email_address_visibility_options %}
+                            <option value="{{ value }}" {% if value == email_address_visibility_default %}selected{% endif %}>{{ _(label) }}</option>
+                            {% endfor %}
+                        </select>
+                    </div>
                     <div class="input-box">
                         <button type="submit" class="register-button"{% if invalid_file_error_message %} disabled{% endif %}>
                             {{ _("Start import") }}
diff --git a/web/styles/portico/portico_signin.css b/web/styles/portico/portico_signin.css
index 19408511c2..801f377486 100644
--- a/web/styles/portico/portico_signin.css
+++ b/web/styles/portico/portico_signin.css
@@ -1581,3 +1581,18 @@ button#register_auth_button_gitlab {
 .self-hosting-login-help-text {
     margin-top: 10px;
 }
+
+#email-address-visibility-select {
+    margin-top: 100px;
+    padding-right: 10px;
+    white-space: nowrap;
+    text-overflow: ellipsis;
+}
+
+#email-address-visibility-select-wrapper label {
+    text-align: left;
+}
+
+#email-address-visibility-help-text {
+    font-weight: normal;
+}
diff --git a/zerver/actions/data_import.py b/zerver/actions/data_import.py
index 61518db802..db3fe63ae7 100644
--- a/zerver/actions/data_import.py
+++ b/zerver/actions/data_import.py
@@ -6,6 +6,7 @@ from typing import Any
 from django.conf import settings
 
 from confirmation import settings as confirmation_settings
+from zerver.actions.create_realm import get_email_address_visibility_default
 from zerver.actions.realm_settings import do_delete_all_realm_attachments
 from zerver.actions.users import do_change_user_role
 from zerver.context_processors import is_realm_import_enabled
@@ -15,7 +16,7 @@ from zerver.lib.import_realm import do_import_realm
 from zerver.lib.upload import save_attachment_contents
 from zerver.models.prereg_users import PreregistrationRealm
 from zerver.models.realms import Realm
-from zerver.models.users import UserProfile, get_user_by_delivery_email
+from zerver.models.users import RealmUserDefault, UserProfile, get_user_by_delivery_email
 
 logger = logging.getLogger(__name__)
 
@@ -51,6 +52,20 @@ def import_slack_data(event: dict[str, Any]) -> None:
             realm.default_language = preregistration_realm.default_language
             realm.save()
 
+            realm_user_default = RealmUserDefault.objects.get(realm=realm)
+            realm_user_default.email_address_visibility = (
+                preregistration_realm.data_import_metadata.get(
+                    "email_address_visibility",
+                    get_email_address_visibility_default(realm.org_type),
+                )
+            )
+            realm_user_default.save(update_fields=["email_address_visibility"])
+
+            # Set email address visibility for all users in the realm.
+            UserProfile.objects.filter(realm=realm, is_bot=False).update(
+                email_address_visibility=realm_user_default.email_address_visibility
+            )
+
             # Try finding the user who imported this realm and make them owner.
             try:
                 importing_user = get_user_by_delivery_email(preregistration_realm.email, realm)
diff --git a/zerver/tests/test_slack_importer.py b/zerver/tests/test_slack_importer.py
index ee6f178935..617f852dc6 100644
--- a/zerver/tests/test_slack_importer.py
+++ b/zerver/tests/test_slack_importer.py
@@ -16,7 +16,8 @@ from requests.models import PreparedRequest
 
 from confirmation import settings as confirmation_settings
 from confirmation.models import Confirmation, get_object_from_key
-from zerver.actions.create_realm import do_create_realm
+from zerver.actions.create_realm import do_create_realm, get_email_address_visibility_default
+from zerver.actions.create_user import do_create_user
 from zerver.actions.data_import import import_slack_data
 from zerver.data_import.import_util import (
     ZerverFieldsT,
@@ -2212,6 +2213,8 @@ by Pieter
         prereg_realm.data_import_metadata["uploaded_import_file_name"] = "test_slack_importer.zip"
         prereg_realm.save()
 
+        # Set by the user performing the import.
+        importer_set_email_address_visibility = UserProfile.EMAIL_ADDRESS_VISIBILITY_NOBODY
         # Check that deferred_work for import is queued.
         with mock.patch("zerver.views.registration.queue_json_publish_rollback_unsafe") as m:
             result = self.client_post(
@@ -2219,11 +2222,16 @@ by Pieter
                 {
                     "key": confirmation_key,
                     "start_slack_import": "true",
+                    "email_address_visibility": importer_set_email_address_visibility,
                 },
             )
             self.assert_in_success_response(["Import progress"], result)
             prereg_realm.refresh_from_db()
             self.assertTrue(prereg_realm.data_import_metadata["is_import_work_queued"])
+            self.assertTrue(
+                prereg_realm.data_import_metadata["email_address_visibility"],
+                importer_set_email_address_visibility,
+            )
 
         m.assert_called_once_with(
             "deferred_work",
@@ -2242,6 +2250,26 @@ by Pieter
             string_id=prereg_realm.string_id,
             name=prereg_realm.name,
         )
+
+        test_user = do_create_user("email1", "password", realm, "full_name", acting_user=None)
+        test_bot_user = do_create_user(
+            "bot_email",
+            "password",
+            realm,
+            "bot_full_name",
+            bot_type=UserProfile.DEFAULT_BOT,
+            acting_user=None,
+        )
+        self.assertEqual(
+            get_email_address_visibility_default(realm.org_type),
+            UserProfile.EMAIL_ADDRESS_VISIBILITY_ADMINS,
+        )
+        self.assertEqual(
+            test_user.email_address_visibility, UserProfile.EMAIL_ADDRESS_VISIBILITY_ADMINS
+        )
+        self.assertEqual(
+            test_bot_user.email_address_visibility, UserProfile.EMAIL_ADDRESS_VISIBILITY_EVERYONE
+        )
         with (
             mock.patch(
                 "zerver.actions.data_import.save_attachment_contents"
@@ -2271,6 +2299,18 @@ by Pieter
         prereg_realm.refresh_from_db()
         self.assertTrue(prereg_realm.data_import_metadata["need_select_realm_owner"])
 
+        # Check that imported users have user provided email visibility setting.
+        test_user.refresh_from_db()
+        self.assertEqual(
+            test_user.email_address_visibility,
+            importer_set_email_address_visibility,
+        )
+        # Check that bots were not impacted by this setting.
+        test_bot_user.refresh_from_db()
+        self.assertEqual(
+            test_bot_user.email_address_visibility, UserProfile.EMAIL_ADDRESS_VISIBILITY_EVERYONE
+        )
+
         # Confirmation key at this point is marked, used but since we
         # are mocking the process, we need to do it manually here.
         get_object_from_key(
diff --git a/zerver/views/development/registration.py b/zerver/views/development/registration.py
index 4ed76d44ff..dcec06d797 100644
--- a/zerver/views/development/registration.py
+++ b/zerver/views/development/registration.py
@@ -2,6 +2,7 @@ import random
 import string
 from typing import TYPE_CHECKING, Any, cast
 
+import orjson
 from django.conf import settings
 from django.http import HttpRequest, HttpResponse, HttpResponseRedirect
 from django.views.decorators.csrf import csrf_exempt
@@ -101,7 +102,7 @@ def register_demo_development_realm(request: HttpRequest) -> HttpResponse:
     realm_name = generate_demo_realm_name()
     realm_type = Realm.ORG_TYPES["unspecified"]["id"]
     realm_subdomain = realm_name
-    email_address_visibility = UserProfile.EMAIL_ADDRESS_VISIBILITY_NOBODY
+    email_address_visibility = orjson.dumps(UserProfile.EMAIL_ADDRESS_VISIBILITY_NOBODY)
     prereg_realm = create_preregistration_realm(
         email, realm_name, realm_subdomain, realm_type, realm_default_language
     )
diff --git a/zerver/views/registration.py b/zerver/views/registration.py
index 931fbffbf6..ea256a9317 100644
--- a/zerver/views/registration.py
+++ b/zerver/views/registration.py
@@ -18,7 +18,7 @@ from django.http import HttpRequest, HttpResponse, HttpResponseRedirect
 from django.shortcuts import redirect, render
 from django.template.response import TemplateResponse
 from django.urls import reverse
-from django.utils.translation import get_language
+from django.utils.translation import get_language, gettext_lazy
 from django.utils.translation import gettext as _
 from django_auth_ldap.backend import LDAPBackend, _LDAPUser
 from pydantic import Json, NonNegativeInt, StringConstraints
@@ -31,7 +31,11 @@ from confirmation.models import (
     get_object_from_key,
     render_confirmation_key_error,
 )
-from zerver.actions.create_realm import do_create_realm
+from zerver.actions.create_realm import (
+    DEFAULT_EMAIL_ADDRESS_VISIBILITY_FOR_REALM,
+    do_create_realm,
+    get_email_address_visibility_default,
+)
 from zerver.actions.create_user import do_activate_mirror_dummy_user, do_create_user
 from zerver.actions.default_streams import lookup_default_stream_groups
 from zerver.actions.user_settings import (
@@ -271,6 +275,9 @@ def registration_helper(
     source_realm_id: Annotated[NonNegativeInt | None, non_negative_int_or_none_validator()] = None,
     start_slack_import: Json[bool] = False,
     timezone: Annotated[str, timezone_or_empty_validator()] = "",
+    email_address_visibility: Annotated[
+        Json[int], check_int_in_validator(RealmUserDefault.EMAIL_ADDRESS_VISIBILITY_TYPES)
+    ] = DEFAULT_EMAIL_ADDRESS_VISIBILITY_FOR_REALM,
 ) -> HttpResponse:
     try:
         prereg_object, realm_creation = check_prereg_key(request, key)
@@ -326,6 +333,10 @@ def registration_helper(
             assert prereg_realm.data_import_metadata.get("uploaded_import_file_name") is not None
             assert prereg_realm.data_import_metadata.get("is_import_work_queued") is not True
             assert prereg_realm.created_realm is None
+
+            prereg_realm.data_import_metadata["email_address_visibility"] = email_address_visibility
+            prereg_realm.save(update_fields=["data_import_metadata"])
+
             queue_json_publish_rollback_unsafe(
                 "deferred_work",
                 {
@@ -354,10 +365,23 @@ def registration_helper(
                     reverse("realm_import_post_process", kwargs={"confirmation_key": key})
                 )
 
+            # Set text of `EMAIL_ADDRESS_VISIBILITY_EVERYONE` to "Everyone" so that it doesn't overflow the
+            # select box in the slack import page.
+            email_address_visibility_options = []
+
+            for id, name in RealmUserDefault.EMAIL_ADDRESS_VISIBILITY_ID_TO_NAME_MAP.items():
+                if id == RealmUserDefault.EMAIL_ADDRESS_VISIBILITY_EVERYONE:
+                    name = gettext_lazy("Everyone")
+                email_address_visibility_options.append((id, name))
+
             assert is_realm_import_enabled()
             context: dict[str, Any] = {
                 "key": key,
                 "max_file_size": settings.MAX_WEB_DATA_IMPORT_SIZE_MB,
+                "email_address_visibility_options": email_address_visibility_options,
+                "email_address_visibility_default": get_email_address_visibility_default(
+                    prereg_realm.org_type
+                ),
             }
 
             saved_slack_access_token = prereg_realm.data_import_metadata.get("slack_access_token")