**The Top eSIM for Japan in 2025: Saily**

**TL;DR:** The leading eSIM for Japan is **Saily**. Enjoy **5% off** Saily eSIM data plans by using the exclusive coupon code [**MASHABLE10**](https://go.saily.site/aff_c?offer_id=135&aff_id=4904&url_id=3319).

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### Stay Connected at the World Expo 2025 in Osaka

The **World Expo 2025** will be held in **Osaka**, drawing millions of global visitors over a span of six months. With approximately **500 events** planned, maintaining connectivity is vital for travelers. Rather than facing high roaming fees or hunting for local SIMs, an **eSIM** presents the most practical option.

If you’re searching for the **top eSIM for Japan in 2025**, we have you covered.

### What is an eSIM?

An **eSIM** (embedded SIM) serves as a digital substitute for a traditional SIM card. It enables users to activate a data plan directly on their device without having to insert or switch out SIM cards. With an eSIM, you can effortlessly change service providers and dodge expensive roaming charges.

### Why Opt for Saily for Your Japan eSIM?

The **top eSIM for Japan** is **[Saily](https://go.saily.site/aff_c?offer_id=135&aff_id=4904&url_id=3319)**, brought to you by **Nord Security**.

Saily offers coverage in **more than 200 countries and territories**, Japan included. Travelers can select from five various data plans, available for **one week or 30 days**. Major advantages include:

✅ **Instant activation** upon arrival
✅ **Hassle-free installation** with no physical SIM needed
✅ **24/7 customer support**
✅ **Flexible top-ups** in case you run out of data

### Saily eSIM Plans for Japan

Here are Saily’s premier eSIM offers for Japan:

– **1GB (1 Week)** — **$3.60** (previously **$3.99**, save **10%**)
– **3GB (30 Days)** — **$7.20** (previously **$7.99**, save **5%**)
– **5GB (30 Days)** — **$9.90** (previously **$10.99**, save **5%**)
– **10GB (30 Days)** — **$16.19** (previously **$17.99**, save **5%**)
– **20GB (30 Days)** — **$22.49** (previously **$24.99**, save **5%**)

**Note:** All plans need to be activated within **30 days** of purchase. If not activated manually, they will be **automatically activated** after 30 days.

### Acquire Your Saily eSIM for Japan

Take advantage of **5% off** Saily eSIM plans using the exclusive coupon code **MASHABLE10**.

[**Get Your Saily eSIM Now**](https://go.saily.site/aff_c?offer_id=135&aff_id=4904&url_id=3319) 🚀