EXHIBIT (B)(1)
                                CERTIFICATIONS





I, Jimmy D. Gambill, certify that:

1. I have reviewed thisreport on Form N-CSR of Templeton Developing  Markets
Trust:

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) for the registrant and
have:

     (a)  Designed  such  disclosure  controls  and  procedures,  or caused such
     disclosure controls and procedrues 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) Evaluated the effectiveness of the registrant's disclosure controls and
     procedures  and  presented  in  this  report  our  conclusions   about  the
     effectivness 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

     (c) 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 reasaonably
     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 reasonalby
     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.


August 6, 2003

/s/JIMMY D. GAMBILL

Jimmy D. Gambill
Chief Executive Officer - Finance and Administration




PAGE







I, Bruce S. Rosenberg, certify that:

1. I have reviewed this report on Form N-CSR of Templeton Developing  Markets
Trust:

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) for the registrant and
have:

     (a)  Designed  such  disclosure  controls  and  procedures,  or caused such
     disclosure controls and procedrues 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) Evaluated the effectiveness of the registrant's disclosure controls and
     procedures  and  presented  in  this  report  our  conclusions   about  the
     effectivness 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

     (c) 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 reasaonably
     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 reasonalby
     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.

August 15, 2003


/s/BRUCE S. ROSENBERG

Bruce S. Rosenberg
Treasurer and Chief Financial Officer