It is best to know English. The official language of Singapore is English. It's easier to go to Singapore for labor service. Graduation from high school has reached the minimum academic requirements. Apply for a personal passport first. After you have a passport, you can find an employer who is willing to hire you in Singapore through relatives, friends or labor agencies. The employer will help you apply for the documents you need to go abroad. Take your passport and approval to buy a plane ticket to work in Singapore. If you have a skill, you can get better treatment. If you can't do anything, of course, no employer will pay you for nothing. You can apply for the position of salesman. You don't need high skills, but you generally need to be able to communicate in English.