r/JapanFinance is a subreddit with 160k members. The community frequently discusses japan, tax, investment, bank, and income, and they frequently recommend/review online broker, personal finance app, and etf, and the most common flair used is personal finance » bank accounts, tax, tax » income, personal finance, and investments.
Whether you're a new resident with questions about credit cards and cashless payment options, a long-term resident curious about pensions and life insurance, or a digital nomad wanting to talk crypto gains and tax treaties, this is the sub where you'll find informed discussion, friendly advice, and high-quality answers.
Popular Topics in r/JapanFinance
#1
Japan
97 posts
#2
Tax
59 posts
#3
Investment
39 posts
#4
Bank
38 posts
#5
Income
30 posts
#6
Taxes
28 posts
#7
Visa
27 posts
#8
Real Estate
16 posts
#9
Business
15 posts
#10
Banking
14 posts
Products Discussed in r/JapanFinance
Online Broker
10 reviews
#1
Rakuten
4.0★ from 4 reviews
#2
Moomoo
5.0★ from 2 reviews
#3
SBI
4.0★ from 1 review
Personal Finance App
5 reviews
#1
Wealth Position
4.0★ from 2 reviews
#2
portseido.com
5.0★ from 1 review
#3
Money Forward
4.0★ from 1 review
Etf
2 reviews
#1
Vanguard
4.0★ from 1 review
#2
eMaxis Slim Series
4.0★ from 1 review
Flair Used in r/JapanFinance
#1
Personal Finance » Bank Accounts
: "Implications of changing Wise address USA to JP?"
10 posts
#2
Tax
: "Undergoing a painful but legitimate tax investigation by the tax office (bill of over 3M yen)"
8 posts
#3
Tax » Income
: "Income from electricity generated by solar panels"
7 posts
#4
Personal Finance
: "Hacked, I guess? What am I meant to do now?"
7 posts
#5
Investments
: "Foreigners investing in Japan: What has your experience been with NISA and long-term investing?"
6 posts
#6
Investments » Real Estate
: "Converting vacant suburban land into paid parking"
5 posts
#7
Tax » Residence
: "What happens if someone leaves the country and doesn't pay residence tax?"
4 posts
#8
Investments » Stocks, Funds, Bonds, etc.
: "Buying American stocks on 一般 (Ippan) or 特定 (Tokutei) instead of NISA. Is the tax part very complicated ?"
4 posts
#9
Personal Finance » Credit Cards & Scores
: "Pro tip: Build an AMEX relationship before moving to Japan"
3 posts
#10
Business
: "Japan’s post-2000s English education curriculum is a catastrophic failure that destroys citizens’ analytical capacity and fuels the nation’s economic decline."
3 posts
Member Growth in r/JapanFinance
Yearly
+13k members(8.9%)
About
GummySearch helps people research Reddit communities by organizing activity, growth, themes, and post-level signals into one place.
This page gives a focused view of r/JapanFinance, including current member size, discussion patterns, product reviews, and related communities to explore.
This data is synced periodically so insights stay current and useful for ongoing research.
Last updated: November 7, 2026