TMG's economic and financial strength will continue to support its credit standing, in our view. We are affirming our 'A+' long-term ratings and the stable outlook on TMG. The ratings and outlook reflect those on Japan because we believe TMG's creditworthiness would be strongly affected under a stress scenario in which the sovereign defaults on its debt. TOKYO (S&P Global Ratings) Aug. 22, 2017--S&P Global Ratings today said that it has affirmed its 'A+' long-term foreign and local currency issuer credit ratings on Tokyo Metropolitan Government (TMG). The outlook remains stable. Our ratings on TMG primarily reflect its very wealthy economy. Combined with its capacity for strong and stable financial management, we believe TMG will continue to benefit from solid