You can take a look at all countries where Stripe is supported here: https://stripe.com/global. If your country isn't currently on that list, we recommend you keep an eye on it in the future—Stripe is constantly adding supported countries, and they'll be reflected on their site here.
In the meantime, you'll still continue earning money in your Wallet, even if there isn't a method for you to withdraw it yet. You can keep track of your Stats, which allows you to monitor how many reads each of your stories receives, and your Wallet, which keeps track of your earnings. There is no expiration date on the money in your Wallet, so your earnings will be ready for you to collect in full once a payment option is made available.