Exhibit (a)(2)

                     Japan Smaller Capitalization Fund, Inc.

                     Two World Financial Center, Building B
                            New York, New York 10281

                                                                Telephone
                                                                (800) 833-0018

                                 CERTIFICATIONS

I, Rita Chopra-Brathwaite, certify that:

1.   I have reviewed this report on Form N-CSR of Japan Smaller Capitalization
     Fund, Inc.;

2.   Based on my knowledge, this report does not contain any untrue statement
     of a material fact or omit to state a material fact necessary to make the
     statements made, in light of the circumstances under which such
     statements were made, not misleading with respect to the period covered
     by this report;

3.   Based on my knowledge, the financial statements, and other financial
     information included in this report, fairly present in all material
     respects the financial condition, results of operations, changes in net
     assets, and cash flows (if the financial statements are required to
     include a statement of cash flows) of the registrant as of, and for, the
     periods presented in this report;

4.   The registrant's other certifying officer(s) and I are responsible for
     establishing and maintaining disclosure controls and procedures (as
     defined in Rule 30a-3(c) under the Investment Company Act of 1940) and
     internal control over financial reporting (as defined in Rule 30a-3(d)
     under the Investment Company Act of 1940) for the registrant and have:

     a.   Designed such disclosure controls and procedures, or caused such
          disclosure controls and procedures to be designed under our
          supervision, to ensure that material information relating to the
          registrant, including its consolidated subsidiaries, is made known
          to us by others within those entities, particularly during the
          period in which this report is being prepared;

     b.   Designed such internal control over financial reporting, or caused
          such internal control over financial reporting to be designed under
          our supervision, to provide reasonable assurance regarding the
          reliability of financial reporting and the preparation of financial
          statements for external purposes in accordance with generally
          accepted accounting principles;

     c.   Evaluated the effectiveness of the registrant's disclosure controls
          and procedures and presented in this report our conclusions about
          the effectiveness of the disclosure controls and procedures, as of a
          date within 90 days prior to the filing date of this report based on
          such evaluation; and

     d.   Disclosed in this report any change in the registrant's internal
          control over financial reporting that occurred during the
          registrant's most recent fiscal half-year (the registrant's second
          fiscal half-year in the case of an annual report) that






          has materially affected, or is reasonably likely to materially
          affect, the registrant's internal control over financial reporting;
          and

5.   The registrant's other certifying officer(s) and I have disclosed to the
     registrant's auditors and the audit committee of the registrant's board
     of directors (or persons performing the equivalent functions):

     a.   All significant deficiencies and material weaknesses in the design
          or operation of internal control over financial reporting which are
          reasonably likely to adversely affect the registrant's ability to
          record, process, summarize, and report financial information; and

     b.   Any fraud, whether or not material, that involves management or
          other employees who have a significant role in the registrant's
          internal control over financial reporting.

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Date: December 29, 2006                         /s/ Rita Chopra-Brathwaite
                                                --------------------------
- ------------------------------------------------------------------------------
                                                 Rita Chopra-Brathwaite
                                                       Treasurer
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                                      2


                     Japan Smaller Capitalization Fund, Inc.

                     Two World Financial Center, Building B
                            New York, New York 10281

                                                                Telephone
                                                                (800) 833-0018

                                 CERTIFICATIONS

I, Hiroshi Terasaki, certify that:

1.   I have reviewed this report on Form N-CSR of Japan Smaller Capitalization
     Fund, Inc.;

2.   Based on my knowledge, this report does not contain any untrue statement
     of a material fact or omit to state a material fact necessary to make the
     statements made, in light of the circumstances under which such
     statements were made, not misleading with respect to the period covered
     by this report;

3.   Based on my knowledge, the financial statements, and other financial
     information included in this report, fairly present in all material
     respects the financial condition, results of operations, changes in net
     assets, and cash flows (if the financial statements are required to
     include a statement of cash flows) of the registrant as of, and for, the
     periods presented in this report;

4.   The registrant's other certifying officer(s) and I are responsible for
     establishing and maintaining disclosure controls and procedures (as
     defined in Rule 30a-3(c) under the Investment Company Act of 1940) and
     internal control over financial reporting (as defined in Rule 30a-3(d)
     under the Investment Company Act of 1940) for the registrant and have:

     a.   Designed such disclosure controls and procedures, or caused such
          disclosure controls and procedures to be designed under our
          supervision, to ensure that material information relating to the
          registrant, including its consolidated subsidiaries, is made known
          to us by others within those entities, particularly during the
          period in which this report is being prepared;

     b.   Designed such internal control over financial reporting, or caused
          such internal control over financial reporting to be designed under
          our supervision, to provide reasonable assurance regarding the
          reliability of financial reporting and the preparation of financial
          statements for external purposes in accordance with generally
          accepted accounting principles;

     c.   Evaluated the effectiveness of the registrant's disclosure controls
          and procedures and presented in this report our conclusions about
          the effectiveness of the disclosure controls and procedures, as of a
          date within 90 days prior to the filing date of this report based on
          such evaluation; and

     d.   Disclosed in this report any change in the registrant's internal
          control over financial reporting that occurred during the
          registrant's most recent fiscal half-year (the registrant's second
          fiscal half-year in the case of an annual report) that






          has materially affected, or is reasonably likely to materially
          affect, the registrant's internal control over financial reporting;
          and

5.   The registrant's other certifying officer(s) and I have disclosed to the
     registrant's auditors and the audit committee of the registrant's board
     of directors (or persons performing the equivalent functions):

     a.   All significant deficiencies and material weaknesses in the design
          or operation of internal control over financial reporting which are
          reasonably likely to adversely affect the registrant's ability to
          record, process, summarize, and report financial information; and

     b.   Any fraud, whether or not material, that involves management or
          other employees who have a significant role in the registrant's
          internal control over financial reporting.

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Date: December 29, 2006                        /s/ Hiroshi Terasaki
                                               --------------------
- ------------------------------------------------------------------------------
                                                 Hiroshi Terasaki
                                                    President
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