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Buenos Aires ๐ฆ๐ท
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Hanoi ๐ป๐ณ
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Lisbon ๐ต๐น
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Rio de Janeiro ๐ง๐ท
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| Population | 2,900,000 | 8,053,663 | 517,000 | 6,718,903 |
| Official language(s) | Spanish | Vietnamese | Portuguese | Portuguese |
| Level of English | High | Moderate | Very high | Low |
| Main airport | Ministro Pistarini International Airport (EZE) | Nแปi Bร i International Airport (HAN) | Humberto Delgado Airport (LIS) | Galeรฃo International Airport |
| Most common months to visit | September - December | January, February, October - December | March - May, September, October | January - March, December |
| Currency | ARS - Argentine Peso ($) | VND - Vietnamese Dong (โซ) | EUR - Euro (โฌ) | BRL - Brazilian Real (R$) |
| Credit cards | Accepted everywhere. (ID required!) | Accepted in some places. Cash often preferred. | Accepted almost everywhere (less for AMEX) | Accepted everywhere |
| Remote worker visa | No | No | Yes | No |
| Average monthly costs | $1321 | $1167 | $1984 | $1833 |
| Rent | $844 | $503 | $965 | $1066 |
| Groceries | $98 | $151 | $136 | $95 |
| Dining out | $121 | $134 | $271 | $210 |
| Cafe | $25 | $39 | $37 | $25 |
| Coworking space | $95 | $72 | $164 | $130 |
| Mobile internet | $11 | $4 | $24 | $7 |
| Public transportation | $9 | $20 | $63 | $33 |
| Taxis | $9 | $13 | $27 | $14 |
| Shared bicycles and scooters | $14 | $0 | $18 | $16 |
| Sport and cultural events | $24 | $3 | $29 | $55 |
| Museums and sights | $4 | $4 | $24 | $26 |
| Nightlife | $23 | $89 | $47 | $54 |
| Gym | $14 | $57 | $65 | $31 |
| Yoga | $19 | $57 | $65 | $40 |
| Massage | $10 | $21 | $50 | $32 |
| SIM card options | Movistar, Claro, Personal | Viettel, Mobifone | Vodafone | Tim, Claro, Vivo |
| Tipping | 10% at restaurants and cafรฉs is common, not common at bars | Not required but appreciated, especially in taxis, restaurants and bars. Round up or add 10%. | 5-10% for restaurants, not common at bars | 10% usually included in restaurants, 10% at bars and cafes with table service is common |
| Taxi apps | Uber (not official), Cabify, BA Taxi (Spanish only) | Grab, GoViet | Uber, FreeNow | Easy Taxi, 99 Taxi, Uber |
| Tap water | Not drinkable | Not drinkable | Drinkable | Not drinkable |
| Overall cuisine | Argentinian style with an emphasis on red meats, pastries, and Italian-inspired options | A mix of French, Southeast Asian and Chinese with lots of fresh herbs and spices. Northern Vietnam cuisine includes a lot of fish and noodles. | Fresh seafood, meats, soup, sausages and famous pastries | Emphasis on rice, beans, pork and beef with a variety of root vegetables and fresh fruits. Fresh seafood is also very common. |
| Local food specialities | Asado, empanadas (Argentinian style), locro, milanesa napolitana, facturas and alfajores | Pho, cha ca, Vietnamese coffee, pastries and breads | Bacalhau ร bras, sardinhas, petiscos, leitรฃo, polvo ร lagareiro, pasteis de nata, bifana | Feijoada, bolinho de bacalhau, fried sardines, caldo verde, pao de queijo and brigadeiros. |
| Eat like a local | Local restaurants serving asados grill-to-dish (Parrillas), markets (San Telmo, Recoleta) and local cafรฉs for matรฉ and facturas | Noodle Houses, Bakeries, Coffee and Tea Houses, street food | Tascas, snack bars, seafood restaurants | The "snack capital" of Brazil, Rio is a perfect place to try street food as well as the wide varieties of small, traditional eateries and churrascarias easily found across the city. |
| Vegetarian / vegan options | 79 options on Happy Cow | 104 listings on Happy Cow | 401 listings on Happy Cow | 54 options on Happy Cow |