Graph-wide evidence registry
12 sources, in one place.
Title
Bank of Japan — Foreign exchange rateshttps://www.boj.or.jp/en/statistics/market/forex/fxdaily/index.htm
AEON PayAmerican Express CreditcardApple Payatoneau Easy Paymentau PAYd BaraiDiners Club CardFamiPayHayakakenICOCAiDJ-Coin PayJ-Debit CardJCB CreditcardKitacamanacaMastercard CreditcardMastercard DebitcardMerpaynanaconimocaNP AtobaraiOKI PayPaidyPASMOPay-easyPayPayPiTaPaQUICPayRakuten EdyRakuten PaySoftBank Combined PaymentSUGOCASuicaTOICAUnionPay CreditcardUnionPay DebitcardVisa CreditcardVisa DebitcardWAONYOKA! PayYucho PayJapanJapanese yen
World Bank — Official exchange rate (JPY per USD)https://data.worldbank.org/indicator/PA.NUS.FCRF?locations=JP
AEON PayAmerican Express CreditcardApple Payatoneau Easy Paymentau PAYd BaraiDiners Club CardFamiPayHayakakenICOCAiDJ-Coin PayJ-Debit CardJCB CreditcardKitacamanacaMastercard CreditcardMastercard DebitcardMerpaynanaconimocaNP AtobaraiOKI PayPaidyPASMOPay-easyPayPayPiTaPaQUICPayRakuten EdyRakuten PaySoftBank Combined PaymentSUGOCASuicaTOICAUnionPay CreditcardUnionPay DebitcardVisa CreditcardVisa DebitcardWAONYOKA! PayYucho PayJapanJapanese yen
FeliCa Protocol and Command Specificationshttps://www.sony.co.jp/en/Products/felica/business/tech-support
Bank of Japan — foreign exchange rates, 28 August 2026https://www.boj.or.jp/en/statistics/market/forex/fxdaily/fxlist/fx260828.pdf
AEON PayAmerican Express CreditcardApple Payatoneau Easy Paymentau PAYd BaraiDiners Club CardFamiPayHayakakenICOCAiDJ-Coin PayJ-Debit CardJCB CreditcardKitacamanacaMastercard CreditcardMastercard DebitcardMerpaynanaconimocaNP AtobaraiOKI PayPaidyPASMOPay-easyPayPayPiTaPaQUICPayRakuten EdyRakuten PaySoftBank Combined PaymentSUGOCASuicaTOICAUnionPay CreditcardUnionPay DebitcardVisa CreditcardVisa DebitcardWAONYOKA! PayYucho PayJapanJapanese yen
Bank of Japan — payment and settlement statistics, June 2026https://www.boj.or.jp/en/statistics/set/kess/release/2026/kess2606.pdf
METI — Japan cashless payment ratio and totals for 2025https://www.meti.go.jp/press/2025/03/20260331006/20260331006.html
AEON PayAmerican Express CreditcardApple Payau Easy Paymentau PAYd BaraiDiners Club CardFamiPayiDJ-Coin PayJ-Debit CardJCB CreditcardMastercard CreditcardMastercard DebitcardMerpaynanacoNP AtobaraiPaidyPay-easyQUICPayRakuten EdyRakuten PaySoftBank Combined PaymentUnionPay CreditcardUnionPay DebitcardVisa CreditcardVisa DebitcardWAONJapanAmerican ExpressJCB
MMD Labo — Japan code-payment usage survey, July 2026https://mmdlabo.jp/investigation/detail_2553.html
AEON PayAmerican Express CreditcardApple Payatoneau Easy Paymentau PAYd BaraiDiners Club CardFamiPayHayakakenICOCAiDJ-Coin PayJ-Debit CardJCB CreditcardKitacamanacaMastercard CreditcardMastercard DebitcardMerpaynanaconimocaNP AtobaraiOKI PayPaidyPASMOPayPayPiTaPaQUICPayRakuten EdyRakuten PaySoftBank Combined PaymentSUGOCASuicaTOICAUnionPay CreditcardUnionPay DebitcardVisa CreditcardVisa DebitcardWAONYOKA! PayYucho PayJapanAmerican ExpressJCB
Statistics Bureau of Japan — population estimateshttps://www.stat.go.jp/english
AEON PayAmerican Express CreditcardApple Payatoneau Easy Paymentau PAYd BaraiDiners Club CardFamiPayHayakakenICOCAiDJ-Coin PayJ-Debit CardJCB CreditcardKitacamanacaMastercard CreditcardMastercard DebitcardMerpaynanaconimocaNP AtobaraiOKI PayPaidyPASMOPay-easyPayPayPiTaPaQUICPayRakuten EdyRakuten PaySoftBank Combined PaymentSUGOCASuicaTOICAUnionPay CreditcardUnionPay DebitcardVisa CreditcardVisa DebitcardWAONYOKA! PayYucho PayJapanAmerican ExpressJCB
Japan Act on the Protection of Personal Informationhttps://www.ppc.go.jp/en/legal
AEON PayAmerican Express Creditcardatoneau Easy Paymentau PAYBank PayCOIN+d BaraiDiners Club CardFamiPayHayakakenICOCAiDJ-Coin PayJ-Debit CardJCB CreditcardJCB DebitcardJCB Prepaid CardKitacaKyashmanacaMerpaynanaconimocaNP AtobaraiOKI PayPaidyPASMOPay-easyPayBPiTaPaQUICPayQUO Card PayRakuten EdyRakuten PaySAPICASoftBank Combined PaymentSUGOCASuicaTOICATOYOTA WalletWAONYOKA! PayYucho PayJapanGMO Payment GatewayBank PayJ-DebitJCBJCB Co., Ltd.JCB NetworkPay-easyPayPay CorporationRakuten Card
ISO 12812-1:2017https://www.iso.org/standard/59844.html
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