The Russian credit card market grew 47% in 2013 to 990 billion roubles. Sberbank maintained its position as market leader, expanding its market share to 25.5% as its credit card portfolio grew 69.1% to 252.4 billion roubles. Market concentration continued to increase, with the top 5 banks now holding over 60% of the market. Growth slowed in the second half of 2013 due to tightened capital requirements and risk ratios by the Bank of Russia.